Home / 876,344.10-1,314,516.15-451,191.30

Finding the Fourth Proportional to 876,344.10, 1,314,516.15 and 451,191.30

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Solution

The fourth proportional to 876,344.10, 1,314,516.15 and 451,191.30 is: 676,786.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,344.10 : 1,314,516.15 = 451,191.30 : x
  2. Step 2: Convert to fraction form
    876,344.10/1,314,516.15 = 451,191.30/x
  3. Step 3: Cross multiply
    876,344.10x = 1,314,516.15 × 451,191.30
  4. Step 4: Simplify right side
    876,344.10x = 593,098,250,589.50
  5. Step 5: Solve for x
    x = 593,098,250,589.50/876,344.10
  6. Step 6: Final answer
    x = 676,786.95

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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.