Home / 693,201.42-1,039,798.88-187,761.42

Finding the Fourth Proportional to 693,201.42, 1,039,798.88 and 187,761.42

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Solution

The fourth proportional to 693,201.42, 1,039,798.88 and 187,761.42 is: 281,641.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,201.42 : 1,039,798.88 = 187,761.42 : x
  2. Step 2: Convert to fraction form
    693,201.42/1,039,798.88 = 187,761.42/x
  3. Step 3: Cross multiply
    693,201.42x = 1,039,798.88 × 187,761.42
  4. Step 4: Simplify right side
    693,201.42x = 195,234,109,493.62
  5. Step 5: Solve for x
    x = 195,234,109,493.62/693,201.42
  6. Step 6: Final answer
    x = 281,641.24

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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.