Home / 457,516.38-686,269.26-187,584.24

Finding the Fourth Proportional to 457,516.38, 686,269.26 and 187,584.24

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Solution

The fourth proportional to 457,516.38, 686,269.26 and 187,584.24 is: 281,374.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,516.38 : 686,269.26 = 187,584.24 : x
  2. Step 2: Convert to fraction form
    457,516.38/686,269.26 = 187,584.24/x
  3. Step 3: Cross multiply
    457,516.38x = 686,269.26 × 187,584.24
  4. Step 4: Simplify right side
    457,516.38x = 128,733,297,572.46
  5. Step 5: Solve for x
    x = 128,733,297,572.46/457,516.38
  6. Step 6: Final answer
    x = 281,374.18

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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.