| ( | ( | ( | ( | X | − | 560000 | ) | × | 75 100 | ) | × | 8200000 | ) | ÷ | 800000 | ) | ÷ | 75 100 | + | 200000 | = | X |
| 方程左边 = | ( | ( | ( | X | − | 560000 | ) | × | 75 100 | ) | × | 8200000 | ) | ÷ | 800000 | × | 100 75 | + | 200000 |
| = | ( | ( | ( | X | − | 560000 | ) | × | 75 100 | ) | × | 8200000 | ) | × | 1 600000 | + | 200000 |
| = | ( | ( | X | − | 560000 | ) | × | 75 100 | ) | × | 8200000 | × | 1 600000 | + | 200000 |
| = | ( | ( | X | − | 560000 | ) | × | 75 100 | ) | × | 41 3 | + | 200000 |
| = | ( | X | − | 560000 | ) | × | 75 100 | × | 41 3 | + | 200000 |
| = | ( | X | − | 560000 | ) | × | 41 4 | + | 200000 |
| = | X | × | 41 4 | − | 560000 | × | 41 4 | + | 200000 |
| = | X | × | 41 4 | − | 5740000 | + | 200000 |
| = | 41 4 | X | − | 5540000 |
41 4 | X | − | 5540000 | = | X |
41 4 | X | − | X | = | 5540000 |
37 4 | X | = | 5540000 |
| X | = | 5540000 | ÷ | 37 4 |
| = | 5540000 | × | 4 37 |
| X | = | 22160000 37 |
| X | = | 598918.918919 |