Home / 439,930.38-660,145.18-237,523.77

Finding the Fourth Proportional to 439,930.38, 660,145.18 and 237,523.77

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Solution

The fourth proportional to 439,930.38, 660,145.18 and 237,523.77 is: 356,420.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,930.38 : 660,145.18 = 237,523.77 : x
  2. Step 2: Convert to fraction form
    439,930.38/660,145.18 = 237,523.77/x
  3. Step 3: Cross multiply
    439,930.38x = 660,145.18 × 237,523.77
  4. Step 4: Simplify right side
    439,930.38x = 156,800,171,307.12
  5. Step 5: Solve for x
    x = 156,800,171,307.12/439,930.38
  6. Step 6: Final answer
    x = 356,420.42

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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.