Home / 681,498.33-1,020,937.32-381,067.71

Finding the Fourth Proportional to 681,498.33, 1,020,937.32 and 381,067.71

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Solution

The fourth proportional to 681,498.33, 1,020,937.32 and 381,067.71 is: 570,868.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,498.33 : 1,020,937.32 = 381,067.71 : x
  2. Step 2: Convert to fraction form
    681,498.33/1,020,937.32 = 381,067.71/x
  3. Step 3: Cross multiply
    681,498.33x = 1,020,937.32 × 381,067.71
  4. Step 4: Simplify right side
    681,498.33x = 389,046,246,585.94
  5. Step 5: Solve for x
    x = 389,046,246,585.94/681,498.33
  6. Step 6: Final answer
    x = 570,868.97

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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.