Home / 693,763.80-1,040,645.70-195,127.80

Finding the Fourth Proportional to 693,763.80, 1,040,645.70 and 195,127.80

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Solution

The fourth proportional to 693,763.80, 1,040,645.70 and 195,127.80 is: 292,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,763.80 : 1,040,645.70 = 195,127.80 : x
  2. Step 2: Convert to fraction form
    693,763.80/1,040,645.70 = 195,127.80/x
  3. Step 3: Cross multiply
    693,763.80x = 1,040,645.70 × 195,127.80
  4. Step 4: Simplify right side
    693,763.80x = 203,058,906,020.46
  5. Step 5: Solve for x
    x = 203,058,906,020.46/693,763.80
  6. Step 6: Final answer
    x = 292,691.70

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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.