Home / 392,734.92-541,880.10-231,577.32

Finding the Fourth Proportional to 392,734.92, 541,880.10 and 231,577.32

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Solution

The fourth proportional to 392,734.92, 541,880.10 and 231,577.32 is: 319,521.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,734.92 : 541,880.10 = 231,577.32 : x
  2. Step 2: Convert to fraction form
    392,734.92/541,880.10 = 231,577.32/x
  3. Step 3: Cross multiply
    392,734.92x = 541,880.10 × 231,577.32
  4. Step 4: Simplify right side
    392,734.92x = 125,487,141,319.33
  5. Step 5: Solve for x
    x = 125,487,141,319.33/392,734.92
  6. Step 6: Final answer
    x = 319,521.22

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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.