Home / 498,281.18-747,433.31-178,454.97

Finding the Fourth Proportional to 498,281.18, 747,433.31 and 178,454.97

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Solution

The fourth proportional to 498,281.18, 747,433.31 and 178,454.97 is: 267,686.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,281.18 : 747,433.31 = 178,454.97 : x
  2. Step 2: Convert to fraction form
    498,281.18/747,433.31 = 178,454.97/x
  3. Step 3: Cross multiply
    498,281.18x = 747,433.31 × 178,454.97
  4. Step 4: Simplify right side
    498,281.18x = 133,383,188,020.78
  5. Step 5: Solve for x
    x = 133,383,188,020.78/498,281.18
  6. Step 6: Final answer
    x = 267,686.59

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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.