Home / 656,516.10-984,379.95-256,680.12

Finding the Fourth Proportional to 656,516.10, 984,379.95 and 256,680.12

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Solution

The fourth proportional to 656,516.10, 984,379.95 and 256,680.12 is: 384,866.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,516.10 : 984,379.95 = 256,680.12 : x
  2. Step 2: Convert to fraction form
    656,516.10/984,379.95 = 256,680.12/x
  3. Step 3: Cross multiply
    656,516.10x = 984,379.95 × 256,680.12
  4. Step 4: Simplify right side
    656,516.10x = 252,670,763,691.59
  5. Step 5: Solve for x
    x = 252,670,763,691.59/656,516.10
  6. Step 6: Final answer
    x = 384,866.06

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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.