Home / 930,753.56-1,396,133.99-615,140.30

Finding the Fourth Proportional to 930,753.56, 1,396,133.99 and 615,140.30

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Solution

The fourth proportional to 930,753.56, 1,396,133.99 and 615,140.30 is: 922,712.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,753.56 : 1,396,133.99 = 615,140.30 : x
  2. Step 2: Convert to fraction form
    930,753.56/1,396,133.99 = 615,140.30/x
  3. Step 3: Cross multiply
    930,753.56x = 1,396,133.99 × 615,140.30
  4. Step 4: Simplify right side
    930,753.56x = 858,818,278,373.10
  5. Step 5: Solve for x
    x = 858,818,278,373.10/930,753.56
  6. Step 6: Final answer
    x = 922,712.86

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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.