Home / 777,024.65-1,165,695.21-327,747.22

Finding the Fourth Proportional to 777,024.65, 1,165,695.21 and 327,747.22

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Solution

The fourth proportional to 777,024.65, 1,165,695.21 and 327,747.22 is: 491,687.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,024.65 : 1,165,695.21 = 327,747.22 : x
  2. Step 2: Convert to fraction form
    777,024.65/1,165,695.21 = 327,747.22/x
  3. Step 3: Cross multiply
    777,024.65x = 1,165,695.21 × 327,747.22
  4. Step 4: Simplify right side
    777,024.65x = 382,053,361,530.58
  5. Step 5: Solve for x
    x = 382,053,361,530.58/777,024.65
  6. Step 6: Final answer
    x = 491,687.57

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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.