Home / 693,562.40-1,040,343.60-194,861.60

Finding the Fourth Proportional to 693,562.40, 1,040,343.60 and 194,861.60

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Solution

The fourth proportional to 693,562.40, 1,040,343.60 and 194,861.60 is: 292,292.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,562.40 : 1,040,343.60 = 194,861.60 : x
  2. Step 2: Convert to fraction form
    693,562.40/1,040,343.60 = 194,861.60/x
  3. Step 3: Cross multiply
    693,562.40x = 1,040,343.60 × 194,861.60
  4. Step 4: Simplify right side
    693,562.40x = 202,723,018,445.76
  5. Step 5: Solve for x
    x = 202,723,018,445.76/693,562.40
  6. Step 6: Final answer
    x = 292,292.40

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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.