Home / 693,762.80-1,040,644.20-195,126.80

Finding the Fourth Proportional to 693,762.80, 1,040,644.20 and 195,126.80

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Solution

The fourth proportional to 693,762.80, 1,040,644.20 and 195,126.80 is: 292,690.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,762.80 : 1,040,644.20 = 195,126.80 : x
  2. Step 2: Convert to fraction form
    693,762.80/1,040,644.20 = 195,126.80/x
  3. Step 3: Cross multiply
    693,762.80x = 1,040,644.20 × 195,126.80
  4. Step 4: Simplify right side
    693,762.80x = 203,057,572,684.56
  5. Step 5: Solve for x
    x = 203,057,572,684.56/693,762.80
  6. Step 6: Final answer
    x = 292,690.20

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Similar ratio
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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.