Home / 447,615.20-617,839.40-292,589.04

Finding the Fourth Proportional to 447,615.20, 617,839.40 and 292,589.04

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Solution

The fourth proportional to 447,615.20, 617,839.40 and 292,589.04 is: 403,858.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,615.20 : 617,839.40 = 292,589.04 : x
  2. Step 2: Convert to fraction form
    447,615.20/617,839.40 = 292,589.04/x
  3. Step 3: Cross multiply
    447,615.20x = 617,839.40 × 292,589.04
  4. Step 4: Simplify right side
    447,615.20x = 180,773,036,920.18
  5. Step 5: Solve for x
    x = 180,773,036,920.18/447,615.20
  6. Step 6: Final answer
    x = 403,858.13

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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.