Home / 527,234.10-790,851.15-127,874.24

Finding the Fourth Proportional to 527,234.10, 790,851.15 and 127,874.24

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Solution

The fourth proportional to 527,234.10, 790,851.15 and 127,874.24 is: 191,811.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,234.10 : 790,851.15 = 127,874.24 : x
  2. Step 2: Convert to fraction form
    527,234.10/790,851.15 = 127,874.24/x
  3. Step 3: Cross multiply
    527,234.10x = 790,851.15 × 127,874.24
  4. Step 4: Simplify right side
    527,234.10x = 101,129,485,805.12
  5. Step 5: Solve for x
    x = 101,129,485,805.12/527,234.10
  6. Step 6: Final answer
    x = 191,811.35

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Double scale
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Similar ratio
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1.5x scale

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.