Home / 457,525.38-686,282.76-187,593.24

Finding the Fourth Proportional to 457,525.38, 686,282.76 and 187,593.24

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Solution

The fourth proportional to 457,525.38, 686,282.76 and 187,593.24 is: 281,387.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,525.38 : 686,282.76 = 187,593.24 : x
  2. Step 2: Convert to fraction form
    457,525.38/686,282.76 = 187,593.24/x
  3. Step 3: Cross multiply
    457,525.38x = 686,282.76 × 187,593.24
  4. Step 4: Simplify right side
    457,525.38x = 128,742,006,504.54
  5. Step 5: Solve for x
    x = 128,742,006,504.54/457,525.38
  6. Step 6: Final answer
    x = 281,387.68

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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.