Home / 466,193.88-643,339.10-272,620.04

Finding the Fourth Proportional to 466,193.88, 643,339.10 and 272,620.04

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Solution

The fourth proportional to 466,193.88, 643,339.10 and 272,620.04 is: 376,210.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,193.88 : 643,339.10 = 272,620.04 : x
  2. Step 2: Convert to fraction form
    466,193.88/643,339.10 = 272,620.04/x
  3. Step 3: Cross multiply
    466,193.88x = 643,339.10 × 272,620.04
  4. Step 4: Simplify right side
    466,193.88x = 175,387,131,175.56
  5. Step 5: Solve for x
    x = 175,387,131,175.56/466,193.88
  6. Step 6: Final answer
    x = 376,210.71

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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.