Home / 494,096.14-681,854.51-287,414.12

Finding the Fourth Proportional to 494,096.14, 681,854.51 and 287,414.12

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Solution

The fourth proportional to 494,096.14, 681,854.51 and 287,414.12 is: 396,632.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,096.14 : 681,854.51 = 287,414.12 : x
  2. Step 2: Convert to fraction form
    494,096.14/681,854.51 = 287,414.12/x
  3. Step 3: Cross multiply
    494,096.14x = 681,854.51 × 287,414.12
  4. Step 4: Simplify right side
    494,096.14x = 195,974,614,227.25
  5. Step 5: Solve for x
    x = 195,974,614,227.25/494,096.14
  6. Step 6: Final answer
    x = 396,632.55

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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.