Home / 930,752.81-1,396,132.86-615,139.55

Finding the Fourth Proportional to 930,752.81, 1,396,132.86 and 615,139.55

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Solution

The fourth proportional to 930,752.81, 1,396,132.86 and 615,139.55 is: 922,711.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,752.81 : 1,396,132.86 = 615,139.55 : x
  2. Step 2: Convert to fraction form
    930,752.81/1,396,132.86 = 615,139.55/x
  3. Step 3: Cross multiply
    930,752.81x = 1,396,132.86 × 615,139.55
  4. Step 4: Simplify right side
    930,752.81x = 858,816,536,342.06
  5. Step 5: Solve for x
    x = 858,816,536,342.06/930,752.81
  6. Step 6: Final answer
    x = 922,711.73

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Double scale
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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.