Home / 715,758.38-1,073,651.42-572,940.80

Finding the Fourth Proportional to 715,758.38, 1,073,651.42 and 572,940.80

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Solution

The fourth proportional to 715,758.38, 1,073,651.42 and 572,940.80 is: 859,422.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,758.38 : 1,073,651.42 = 572,940.80 : x
  2. Step 2: Convert to fraction form
    715,758.38/1,073,651.42 = 572,940.80/x
  3. Step 3: Cross multiply
    715,758.38x = 1,073,651.42 × 572,940.80
  4. Step 4: Simplify right side
    715,758.38x = 615,138,695,262.98
  5. Step 5: Solve for x
    x = 615,138,695,262.98/715,758.38
  6. Step 6: Final answer
    x = 859,422.28

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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.