Home / 656,517.10-984,381.45-256,681.12

Finding the Fourth Proportional to 656,517.10, 984,381.45 and 256,681.12

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Solution

The fourth proportional to 656,517.10, 984,381.45 and 256,681.12 is: 384,867.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,517.10 : 984,381.45 = 256,681.12 : x
  2. Step 2: Convert to fraction form
    656,517.10/984,381.45 = 256,681.12/x
  3. Step 3: Cross multiply
    656,517.10x = 984,381.45 × 256,681.12
  4. Step 4: Simplify right side
    656,517.10x = 252,672,133,093.22
  5. Step 5: Solve for x
    x = 252,672,133,093.22/656,517.10
  6. Step 6: Final answer
    x = 384,867.56

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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.