| x | = | 2 | ( | 481 500 | × | 807 1000 | ) | ÷ | ( | 481 500 | + | 807 1000 | ) |
| 方程两边同时乘以: | ( | 481 500 | + | 807 1000 | ) |
| x | ( | 481 500 | + | 807 1000 | ) | = | 2 | ( | 481 500 | × | 807 1000 | ) |
| x | × | 481 500 | + | x | × | 807 1000 | = | 2 | ( | 481 500 | × | 807 1000 | ) |
| x | × | 481 500 | + | x | × | 807 1000 | = | 2 | × | 481 500 | × | 807 1000 |
| x | × | 481 500 | + | x | × | 807 1000 | = | 388167 250000 |
1769 1000 | x | = | 388167 250000 |
| x | = | 388167 250000 | ÷ | 1769 1000 |
| = | 388167 250000 | × | 1000 1769 |
| = | 388167 250 | × | 1 1769 |
| x | = | 388167 442250 |
| x | = | 0.877709 |