Home / 498,688.17-748,032.30-124,711.17

Finding the Fourth Proportional to 498,688.17, 748,032.30 and 124,711.17

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Solution

The fourth proportional to 498,688.17, 748,032.30 and 124,711.17 is: 187,066.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,688.17 : 748,032.30 = 124,711.17 : x
  2. Step 2: Convert to fraction form
    498,688.17/748,032.30 = 124,711.17/x
  3. Step 3: Cross multiply
    498,688.17x = 748,032.30 × 124,711.17
  4. Step 4: Simplify right side
    498,688.17x = 93,287,983,330.79
  5. Step 5: Solve for x
    x = 93,287,983,330.79/498,688.17
  6. Step 6: Final answer
    x = 187,066.77

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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.