Home / 499,318.59-748,983.35-144,335.69

Finding the Fourth Proportional to 499,318.59, 748,983.35 and 144,335.69

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Solution

The fourth proportional to 499,318.59, 748,983.35 and 144,335.69 is: 216,505.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,318.59 : 748,983.35 = 144,335.69 : x
  2. Step 2: Convert to fraction form
    499,318.59/748,983.35 = 144,335.69/x
  3. Step 3: Cross multiply
    499,318.59x = 748,983.35 × 144,335.69
  4. Step 4: Simplify right side
    499,318.59x = 108,105,024,154.17
  5. Step 5: Solve for x
    x = 108,105,024,154.17/499,318.59
  6. Step 6: Final answer
    x = 216,505.11

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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.