Home / 457,601.76-686,489.04-173,377.44

Finding the Fourth Proportional to 457,601.76, 686,489.04 and 173,377.44

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Solution

The fourth proportional to 457,601.76, 686,489.04 and 173,377.44 is: 260,098.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,601.76 : 686,489.04 = 173,377.44 : x
  2. Step 2: Convert to fraction form
    457,601.76/686,489.04 = 173,377.44/x
  3. Step 3: Cross multiply
    457,601.76x = 686,489.04 × 173,377.44
  4. Step 4: Simplify right side
    457,601.76x = 119,021,712,343.26
  5. Step 5: Solve for x
    x = 119,021,712,343.26/457,601.76
  6. Step 6: Final answer
    x = 260,098.90

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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.