Home / 930,535.92-1,396,330.92-398,009.52

Finding the Fourth Proportional to 930,535.92, 1,396,330.92 and 398,009.52

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Solution

The fourth proportional to 930,535.92, 1,396,330.92 and 398,009.52 is: 597,239.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,535.92 : 1,396,330.92 = 398,009.52 : x
  2. Step 2: Convert to fraction form
    930,535.92/1,396,330.92 = 398,009.52/x
  3. Step 3: Cross multiply
    930,535.92x = 1,396,330.92 × 398,009.52
  4. Step 4: Simplify right side
    930,535.92x = 555,752,999,230.36
  5. Step 5: Solve for x
    x = 555,752,999,230.36/930,535.92
  6. Step 6: Final answer
    x = 597,239.71

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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.