Home / 693,600.89-1,040,401.32-194,964.89

Finding the Fourth Proportional to 693,600.89, 1,040,401.32 and 194,964.89

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Solution

The fourth proportional to 693,600.89, 1,040,401.32 and 194,964.89 is: 292,447.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,600.89 : 1,040,401.32 = 194,964.89 : x
  2. Step 2: Convert to fraction form
    693,600.89/1,040,401.32 = 194,964.89/x
  3. Step 3: Cross multiply
    693,600.89x = 1,040,401.32 × 194,964.89
  4. Step 4: Simplify right side
    693,600.89x = 202,841,728,909.66
  5. Step 5: Solve for x
    x = 202,841,728,909.66/693,600.89
  6. Step 6: Final answer
    x = 292,447.33

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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.