| ( | 2406 | − | x | ) | ÷ | ( | 1629 | − | x | ) | = | ( | 4389 | + | 2228 | ) | ÷ | 2228 |
| 方程两边同时乘以: | ( | 1629 | − | x | ) |
| ( | 2406 | − | x | ) | = | ( | 4389 | + | 2228 | ) | ÷ | 2228 | × | ( | 1629 | − | x | ) |
| 2406 | − | x | = | ( | 4389 | + | 2228 | ) | ÷ | 2228 | × | ( | 1629 | − | x | ) |
| 2406 | − | x | = | 4389 | ÷ | 2228 | × | ( | 1629 | − | x | ) | + | 2228 | ÷ | 2228 | × | ( | 1629 | − | x | ) |
| 2406 | − | x | = | 4389 2228 | ( | 1629 | − | x | ) | + | 1 | ( | 1629 | − | x | ) |
| 2406 | − | x | = | 4389 2228 | × | 1629 | − | 4389 2228 | x | + | 1 | ( | 1629 | − | x | ) |
| 2406 | − | x | = | 7149681 2228 | − | 4389 2228 | x | + | 1 | ( | 1629 | − | x | ) |
| 2406 | − | x | = | 7149681 2228 | − | 4389 2228 | x | + | 1 | × | 1629 | − | 1 | x |
| 2406 | − | x | = | 7149681 2228 | − | 4389 2228 | x | + | 1629 | − | 1 | x |
| 2406 | − | x | = | 10779093 2228 | − | 6617 2228 | x |
| - | x | + | 6617 2228 | x | = | 10779093 2228 | − | 2406 |
4389 2228 | x | = | 10779093 2228 | − | 2406 |
4389 2228 | x | = | 5418525 2228 |
| x | = | 5418525 2228 | ÷ | 4389 2228 |
| = | 5418525 2228 | × | 2228 4389 |
| = | 258025 557 | × | 557 209 |
| x | = | 143719925 116413 |
| x | = | 1234.569378 |