Home / 711,721.38-1,067,581.14-231,948.46

Finding the Fourth Proportional to 711,721.38, 1,067,581.14 and 231,948.46

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Solution

The fourth proportional to 711,721.38, 1,067,581.14 and 231,948.46 is: 347,922.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,721.38 : 1,067,581.14 = 231,948.46 : x
  2. Step 2: Convert to fraction form
    711,721.38/1,067,581.14 = 231,948.46/x
  3. Step 3: Cross multiply
    711,721.38x = 1,067,581.14 × 231,948.46
  4. Step 4: Simplify right side
    711,721.38x = 247,623,801,348.04
  5. Step 5: Solve for x
    x = 247,623,801,348.04/711,721.38
  6. Step 6: Final answer
    x = 347,922.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.