Home / 928,449.38-1,281,195.96-514,947.14

Finding the Fourth Proportional to 928,449.38, 1,281,195.96 and 514,947.14

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Solution

The fourth proportional to 928,449.38, 1,281,195.96 and 514,947.14 is: 710,591.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,449.38 : 1,281,195.96 = 514,947.14 : x
  2. Step 2: Convert to fraction form
    928,449.38/1,281,195.96 = 514,947.14/x
  3. Step 3: Cross multiply
    928,449.38x = 1,281,195.96 × 514,947.14
  4. Step 4: Simplify right side
    928,449.38x = 659,748,188,975.58
  5. Step 5: Solve for x
    x = 659,748,188,975.58/928,449.38
  6. Step 6: Final answer
    x = 710,591.45

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.