Home / 785,621.54-1,084,073.54-527,446.20

Finding the Fourth Proportional to 785,621.54, 1,084,073.54 and 527,446.20

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Solution

The fourth proportional to 785,621.54, 1,084,073.54 and 527,446.20 is: 727,819.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,621.54 : 1,084,073.54 = 527,446.20 : x
  2. Step 2: Convert to fraction form
    785,621.54/1,084,073.54 = 527,446.20/x
  3. Step 3: Cross multiply
    785,621.54x = 1,084,073.54 × 527,446.20
  4. Step 4: Simplify right side
    785,621.54x = 571,790,469,193.55
  5. Step 5: Solve for x
    x = 571,790,469,193.55/785,621.54
  6. Step 6: Final answer
    x = 727,819.24

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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.