Home / 502,688.13-754,025.62-123,612.15

Finding the Fourth Proportional to 502,688.13, 754,025.62 and 123,612.15

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Solution

The fourth proportional to 502,688.13, 754,025.62 and 123,612.15 is: 185,416.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,688.13 : 754,025.62 = 123,612.15 : x
  2. Step 2: Convert to fraction form
    502,688.13/754,025.62 = 123,612.15/x
  3. Step 3: Cross multiply
    502,688.13x = 754,025.62 × 123,612.15
  4. Step 4: Simplify right side
    502,688.13x = 93,206,727,425.22
  5. Step 5: Solve for x
    x = 93,206,727,425.22/502,688.13
  6. Step 6: Final answer
    x = 185,416.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.