Home / 951,471.80-1,313,091.78-628,615.52

Finding the Fourth Proportional to 951,471.80, 1,313,091.78 and 628,615.52

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Solution

The fourth proportional to 951,471.80, 1,313,091.78 and 628,615.52 is: 867,529.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,471.80 : 1,313,091.78 = 628,615.52 : x
  2. Step 2: Convert to fraction form
    951,471.80/1,313,091.78 = 628,615.52/x
  3. Step 3: Cross multiply
    951,471.80x = 1,313,091.78 × 628,615.52
  4. Step 4: Simplify right side
    951,471.80x = 825,429,872,092.43
  5. Step 5: Solve for x
    x = 825,429,872,092.43/951,471.80
  6. Step 6: Final answer
    x = 867,529.52

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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.