Home / 924,965.46-1,387,418.76-419,156.10

Finding the Fourth Proportional to 924,965.46, 1,387,418.76 and 419,156.10

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Solution

The fourth proportional to 924,965.46, 1,387,418.76 and 419,156.10 is: 628,720.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,965.46 : 1,387,418.76 = 419,156.10 : x
  2. Step 2: Convert to fraction form
    924,965.46/1,387,418.76 = 419,156.10/x
  3. Step 3: Cross multiply
    924,965.46x = 1,387,418.76 × 419,156.10
  4. Step 4: Simplify right side
    924,965.46x = 581,545,036,508.44
  5. Step 5: Solve for x
    x = 581,545,036,508.44/924,965.46
  6. Step 6: Final answer
    x = 628,720.81

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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.