Home / 1,373,194.30-2,059,791.45-811,939.90

Finding the Fourth Proportional to 1,373,194.30, 2,059,791.45 and 811,939.90

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Solution

The fourth proportional to 1,373,194.30, 2,059,791.45 and 811,939.90 is: 1,217,909.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,194.30 : 2,059,791.45 = 811,939.90 : x
  2. Step 2: Convert to fraction form
    1,373,194.30/2,059,791.45 = 811,939.90/x
  3. Step 3: Cross multiply
    1,373,194.30x = 2,059,791.45 × 811,939.90
  4. Step 4: Simplify right side
    1,373,194.30x = 1,672,426,863,933.86
  5. Step 5: Solve for x
    x = 1,672,426,863,933.86/1,373,194.30
  6. Step 6: Final answer
    x = 1,217,909.85

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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.