Home / 497,513.28-746,380.80-181,963.20

Finding the Fourth Proportional to 497,513.28, 746,380.80 and 181,963.20

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Solution

The fourth proportional to 497,513.28, 746,380.80 and 181,963.20 is: 272,985.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,513.28 : 746,380.80 = 181,963.20 : x
  2. Step 2: Convert to fraction form
    497,513.28/746,380.80 = 181,963.20/x
  3. Step 3: Cross multiply
    497,513.28x = 746,380.80 × 181,963.20
  4. Step 4: Simplify right side
    497,513.28x = 135,813,838,786.56
  5. Step 5: Solve for x
    x = 135,813,838,786.56/497,513.28
  6. Step 6: Final answer
    x = 272,985.35

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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.