| ( | 719 100 | × | 13720 | − | x | ) | ÷ | 13720 | = | 2263 625 |
| 方程左边 = | 719 100 | × | 13720 | × | 1 13720 | − | x | × | 1 13720 |
| = | 719 100 | − | x | × | 1 13720 |
719 100 | − | 1 13720 | x | = | 2263 625 |
| - | 1 13720 | x | = | 2263 625 | − | 719 100 |
| - | 1 13720 | x | = | - | 8923 2500 |
8923 2500 | = | 1 13720 | x |
1 13720 | x | = | 8923 2500 |
| x | = | 8923 2500 | ÷ | 1 13720 |
| = | 8923 2500 | × | 13720 |
| = | 8923 125 | × | 686 |
| x | = | 6121178 125 |
| x | = | 48969.424 |