Home / 718,590.96-1,074,651.03-639,096.24

Finding the Fourth Proportional to 718,590.96, 1,074,651.03 and 639,096.24

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Solution

The fourth proportional to 718,590.96, 1,074,651.03 and 639,096.24 is: 955,766.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,590.96 : 1,074,651.03 = 639,096.24 : x
  2. Step 2: Convert to fraction form
    718,590.96/1,074,651.03 = 639,096.24/x
  3. Step 3: Cross multiply
    718,590.96x = 1,074,651.03 × 639,096.24
  4. Step 4: Simplify right side
    718,590.96x = 686,805,432,585.13
  5. Step 5: Solve for x
    x = 686,805,432,585.13/718,590.96
  6. Step 6: Final answer
    x = 955,766.87

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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.