Home / 693,615.40-1,040,423.10-194,914.60

Finding the Fourth Proportional to 693,615.40, 1,040,423.10 and 194,914.60

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Solution

The fourth proportional to 693,615.40, 1,040,423.10 and 194,914.60 is: 292,371.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,615.40 : 1,040,423.10 = 194,914.60 : x
  2. Step 2: Convert to fraction form
    693,615.40/1,040,423.10 = 194,914.60/x
  3. Step 3: Cross multiply
    693,615.40x = 1,040,423.10 × 194,914.60
  4. Step 4: Simplify right side
    693,615.40x = 202,793,652,367.26
  5. Step 5: Solve for x
    x = 202,793,652,367.26/693,615.40
  6. Step 6: Final answer
    x = 292,371.90

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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.