Home / 693,600.30-1,040,400.45-194,964.30

Finding the Fourth Proportional to 693,600.30, 1,040,400.45 and 194,964.30

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Solution

The fourth proportional to 693,600.30, 1,040,400.45 and 194,964.30 is: 292,446.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,600.30 : 1,040,400.45 = 194,964.30 : x
  2. Step 2: Convert to fraction form
    693,600.30/1,040,400.45 = 194,964.30/x
  3. Step 3: Cross multiply
    693,600.30x = 1,040,400.45 × 194,964.30
  4. Step 4: Simplify right side
    693,600.30x = 202,840,945,453.94
  5. Step 5: Solve for x
    x = 202,840,945,453.94/693,600.30
  6. Step 6: Final answer
    x = 292,446.45

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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.