Home / 739,056.30-1,108,584.45-656,387.70

Finding the Fourth Proportional to 739,056.30, 1,108,584.45 and 656,387.70

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Solution

The fourth proportional to 739,056.30, 1,108,584.45 and 656,387.70 is: 984,581.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,056.30 : 1,108,584.45 = 656,387.70 : x
  2. Step 2: Convert to fraction form
    739,056.30/1,108,584.45 = 656,387.70/x
  3. Step 3: Cross multiply
    739,056.30x = 1,108,584.45 × 656,387.70
  4. Step 4: Simplify right side
    739,056.30x = 727,661,197,391.27
  5. Step 5: Solve for x
    x = 727,661,197,391.27/739,056.30
  6. Step 6: Final answer
    x = 984,581.55

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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.