Home / 482,732.28-726,989.16-439,637.04

Finding the Fourth Proportional to 482,732.28, 726,989.16 and 439,637.04

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Solution

The fourth proportional to 482,732.28, 726,989.16 and 439,637.04 is: 662,088.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,732.28 : 726,989.16 = 439,637.04 : x
  2. Step 2: Convert to fraction form
    482,732.28/726,989.16 = 439,637.04/x
  3. Step 3: Cross multiply
    482,732.28x = 726,989.16 × 439,637.04
  4. Step 4: Simplify right side
    482,732.28x = 319,611,362,414.49
  5. Step 5: Solve for x
    x = 319,611,362,414.49/482,732.28
  6. Step 6: Final answer
    x = 662,088.23

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.