Home / 807,704.92-1,114,640.40-445,141.83

Finding the Fourth Proportional to 807,704.92, 1,114,640.40 and 445,141.83

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Solution

The fourth proportional to 807,704.92, 1,114,640.40 and 445,141.83 is: 614,299.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,704.92 : 1,114,640.40 = 445,141.83 : x
  2. Step 2: Convert to fraction form
    807,704.92/1,114,640.40 = 445,141.83/x
  3. Step 3: Cross multiply
    807,704.92x = 1,114,640.40 × 445,141.83
  4. Step 4: Simplify right side
    807,704.92x = 496,173,067,447.93
  5. Step 5: Solve for x
    x = 496,173,067,447.93/807,704.92
  6. Step 6: Final answer
    x = 614,299.92

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.