Home / 681,252.66-940,083.30-394,721.64

Finding the Fourth Proportional to 681,252.66, 940,083.30 and 394,721.64

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Solution

The fourth proportional to 681,252.66, 940,083.30 and 394,721.64 is: 544,689.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,252.66 : 940,083.30 = 394,721.64 : x
  2. Step 2: Convert to fraction form
    681,252.66/940,083.30 = 394,721.64/x
  3. Step 3: Cross multiply
    681,252.66x = 940,083.30 × 394,721.64
  4. Step 4: Simplify right side
    681,252.66x = 371,071,221,912.61
  5. Step 5: Solve for x
    x = 371,071,221,912.61/681,252.66
  6. Step 6: Final answer
    x = 544,689.58

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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.