Home / 541,781.91-747,664.53-326,880.45

Finding the Fourth Proportional to 541,781.91, 747,664.53 and 326,880.45

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Solution

The fourth proportional to 541,781.91, 747,664.53 and 326,880.45 is: 451,098.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,781.91 : 747,664.53 = 326,880.45 : x
  2. Step 2: Convert to fraction form
    541,781.91/747,664.53 = 326,880.45/x
  3. Step 3: Cross multiply
    541,781.91x = 747,664.53 × 326,880.45
  4. Step 4: Simplify right side
    541,781.91x = 244,396,918,015.44
  5. Step 5: Solve for x
    x = 244,396,918,015.44/541,781.91
  6. Step 6: Final answer
    x = 451,098.34

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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.