Home / 637,708.63-880,032.40-351,222.61

Finding the Fourth Proportional to 637,708.63, 880,032.40 and 351,222.61

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Solution

The fourth proportional to 637,708.63, 880,032.40 and 351,222.61 is: 484,684.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,708.63 : 880,032.40 = 351,222.61 : x
  2. Step 2: Convert to fraction form
    637,708.63/880,032.40 = 351,222.61/x
  3. Step 3: Cross multiply
    637,708.63x = 880,032.40 × 351,222.61
  4. Step 4: Simplify right side
    637,708.63x = 309,087,276,412.56
  5. Step 5: Solve for x
    x = 309,087,276,412.56/637,708.63
  6. Step 6: Final answer
    x = 484,684.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.