Home / 382,124.28-527,342.22-220,963.80

Finding the Fourth Proportional to 382,124.28, 527,342.22 and 220,963.80

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Solution

The fourth proportional to 382,124.28, 527,342.22 and 220,963.80 is: 304,936.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,124.28 : 527,342.22 = 220,963.80 : x
  2. Step 2: Convert to fraction form
    382,124.28/527,342.22 = 220,963.80/x
  3. Step 3: Cross multiply
    382,124.28x = 527,342.22 × 220,963.80
  4. Step 4: Simplify right side
    382,124.28x = 116,523,540,831.64
  5. Step 5: Solve for x
    x = 116,523,540,831.64/382,124.28
  6. Step 6: Final answer
    x = 304,936.24

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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.