Home / 681,192.75-940,046.01-379,386.75

Finding the Fourth Proportional to 681,192.75, 940,046.01 and 379,386.75

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Solution

The fourth proportional to 681,192.75, 940,046.01 and 379,386.75 is: 523,553.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,192.75 : 940,046.01 = 379,386.75 : x
  2. Step 2: Convert to fraction form
    681,192.75/940,046.01 = 379,386.75/x
  3. Step 3: Cross multiply
    681,192.75x = 940,046.01 × 379,386.75
  4. Step 4: Simplify right side
    681,192.75x = 356,641,000,584.37
  5. Step 5: Solve for x
    x = 356,641,000,584.37/681,192.75
  6. Step 6: Final answer
    x = 523,553.72

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Double scale
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1.5x scale

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.