Home / 728,945.38-1,093,344.24-196,520.23

Finding the Fourth Proportional to 728,945.38, 1,093,344.24 and 196,520.23

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Solution

The fourth proportional to 728,945.38, 1,093,344.24 and 196,520.23 is: 294,760.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,945.38 : 1,093,344.24 = 196,520.23 : x
  2. Step 2: Convert to fraction form
    728,945.38/1,093,344.24 = 196,520.23/x
  3. Step 3: Cross multiply
    728,945.38x = 1,093,344.24 × 196,520.23
  4. Step 4: Simplify right side
    728,945.38x = 214,864,261,513.98
  5. Step 5: Solve for x
    x = 214,864,261,513.98/728,945.38
  6. Step 6: Final answer
    x = 294,760.44

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Double scale
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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.