Home / 498,320.10-747,334.35-178,434.90

Finding the Fourth Proportional to 498,320.10, 747,334.35 and 178,434.90

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Solution

The fourth proportional to 498,320.10, 747,334.35 and 178,434.90 is: 267,600.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,320.10 : 747,334.35 = 178,434.90 : x
  2. Step 2: Convert to fraction form
    498,320.10/747,334.35 = 178,434.90/x
  3. Step 3: Cross multiply
    498,320.10x = 747,334.35 × 178,434.90
  4. Step 4: Simplify right side
    498,320.10x = 133,350,530,008.82
  5. Step 5: Solve for x
    x = 133,350,530,008.82/498,320.10
  6. Step 6: Final answer
    x = 267,600.14

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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.