Home / 951,470.80-1,313,090.40-628,614.52

Finding the Fourth Proportional to 951,470.80, 1,313,090.40 and 628,614.52

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Solution

The fourth proportional to 951,470.80, 1,313,090.40 and 628,614.52 is: 867,528.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,470.80 : 1,313,090.40 = 628,614.52 : x
  2. Step 2: Convert to fraction form
    951,470.80/1,313,090.40 = 628,614.52/x
  3. Step 3: Cross multiply
    951,470.80x = 1,313,090.40 × 628,614.52
  4. Step 4: Simplify right side
    951,470.80x = 825,427,691,512.61
  5. Step 5: Solve for x
    x = 825,427,691,512.61/951,470.80
  6. Step 6: Final answer
    x = 867,528.14

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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.