Home / 699,542.15-1,049,313.22-194,103.21

Finding the Fourth Proportional to 699,542.15, 1,049,313.22 and 194,103.21

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Solution

The fourth proportional to 699,542.15, 1,049,313.22 and 194,103.21 is: 291,154.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,542.15 : 1,049,313.22 = 194,103.21 : x
  2. Step 2: Convert to fraction form
    699,542.15/1,049,313.22 = 194,103.21/x
  3. Step 3: Cross multiply
    699,542.15x = 1,049,313.22 × 194,103.21
  4. Step 4: Simplify right side
    699,542.15x = 203,675,067,747.10
  5. Step 5: Solve for x
    x = 203,675,067,747.10/699,542.15
  6. Step 6: Final answer
    x = 291,154.82

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Similar ratio
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1.5x scale

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.