Home / 930,691.92-1,396,044.36-509,738.16

Finding the Fourth Proportional to 930,691.92, 1,396,044.36 and 509,738.16

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Solution

The fourth proportional to 930,691.92, 1,396,044.36 and 509,738.16 is: 764,610.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,691.92 : 1,396,044.36 = 509,738.16 : x
  2. Step 2: Convert to fraction form
    930,691.92/1,396,044.36 = 509,738.16/x
  3. Step 3: Cross multiply
    930,691.92x = 1,396,044.36 × 509,738.16
  4. Step 4: Simplify right side
    930,691.92x = 711,617,083,344.78
  5. Step 5: Solve for x
    x = 711,617,083,344.78/930,691.92
  6. Step 6: Final answer
    x = 764,610.79

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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.