Home / 693,565.40-1,040,348.10-194,864.60

Finding the Fourth Proportional to 693,565.40, 1,040,348.10 and 194,864.60

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Solution

The fourth proportional to 693,565.40, 1,040,348.10 and 194,864.60 is: 292,296.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,565.40 : 1,040,348.10 = 194,864.60 : x
  2. Step 2: Convert to fraction form
    693,565.40/1,040,348.10 = 194,864.60/x
  3. Step 3: Cross multiply
    693,565.40x = 1,040,348.10 × 194,864.60
  4. Step 4: Simplify right side
    693,565.40x = 202,727,016,367.26
  5. Step 5: Solve for x
    x = 202,727,016,367.26/693,565.40
  6. Step 6: Final answer
    x = 292,296.90

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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.