Home / 739,512.10-1,109,268.15-674,193.70

Finding the Fourth Proportional to 739,512.10, 1,109,268.15 and 674,193.70

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Solution

The fourth proportional to 739,512.10, 1,109,268.15 and 674,193.70 is: 1,011,290.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,512.10 : 1,109,268.15 = 674,193.70 : x
  2. Step 2: Convert to fraction form
    739,512.10/1,109,268.15 = 674,193.70/x
  3. Step 3: Cross multiply
    739,512.10x = 1,109,268.15 × 674,193.70
  4. Step 4: Simplify right side
    739,512.10x = 747,861,598,340.66
  5. Step 5: Solve for x
    x = 747,861,598,340.66/739,512.10
  6. Step 6: Final answer
    x = 1,011,290.55

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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.