Home / 681,880.92-1,022,822.10-368,331.48

Finding the Fourth Proportional to 681,880.92, 1,022,822.10 and 368,331.48

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Solution

The fourth proportional to 681,880.92, 1,022,822.10 and 368,331.48 is: 552,497.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,880.92 : 1,022,822.10 = 368,331.48 : x
  2. Step 2: Convert to fraction form
    681,880.92/1,022,822.10 = 368,331.48/x
  3. Step 3: Cross multiply
    681,880.92x = 1,022,822.10 × 368,331.48
  4. Step 4: Simplify right side
    681,880.92x = 376,737,577,869.71
  5. Step 5: Solve for x
    x = 376,737,577,869.71/681,880.92
  6. Step 6: Final answer
    x = 552,497.61

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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.