417 2 | ÷ | ( | 1 | + | x | ) | = | 539 200 |
| 方程两边同时乘以: | ( | 1 | + | x | ) |
417 2 | = | 539 200 | ( | 1 | + | x | ) |
417 2 | = | 539 200 | × | 1 | + | 539 200 | x |
417 2 | = | 539 200 | + | 539 200 | x |
| - | 539 200 | x | = | 539 200 | − | 417 2 |
| - | 539 200 | x | = | - | 41161 200 |
41161 200 | = | 539 200 | x |
539 200 | x | = | 41161 200 |
| x | = | 41161 200 | ÷ | 539 200 |
| = | 41161 200 | × | 200 539 |
| = | 41161 | × | 1 539 |
| x | = | 41161 539 |
| x | = | 76.365492 |