Home / 928,481.92-1,281,696.96-627,084.16

Finding the Fourth Proportional to 928,481.92, 1,281,696.96 and 627,084.16

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Solution

The fourth proportional to 928,481.92, 1,281,696.96 and 627,084.16 is: 865,640.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,481.92 : 1,281,696.96 = 627,084.16 : x
  2. Step 2: Convert to fraction form
    928,481.92/1,281,696.96 = 627,084.16/x
  3. Step 3: Cross multiply
    928,481.92x = 1,281,696.96 × 627,084.16
  4. Step 4: Simplify right side
    928,481.92x = 803,731,861,536.15
  5. Step 5: Solve for x
    x = 803,731,861,536.15/928,481.92
  6. Step 6: Final answer
    x = 865,640.83

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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.