Home / 681,382.43-1,022,301.11-302,250.86

Finding the Fourth Proportional to 681,382.43, 1,022,301.11 and 302,250.86

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Solution

The fourth proportional to 681,382.43, 1,022,301.11 and 302,250.86 is: 453,477.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,382.43 : 1,022,301.11 = 302,250.86 : x
  2. Step 2: Convert to fraction form
    681,382.43/1,022,301.11 = 302,250.86/x
  3. Step 3: Cross multiply
    681,382.43x = 1,022,301.11 × 302,250.86
  4. Step 4: Simplify right side
    681,382.43x = 308,991,385,320.58
  5. Step 5: Solve for x
    x = 308,991,385,320.58/681,382.43
  6. Step 6: Final answer
    x = 453,477.19

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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.