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Finding the Fourth Proportional to 1,154,270.44, 1,729,619.34 and 799,976.44

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Solution

The fourth proportional to 1,154,270.44, 1,729,619.34 and 799,976.44 is: 1,198,726.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,270.44 : 1,729,619.34 = 799,976.44 : x
  2. Step 2: Convert to fraction form
    1,154,270.44/1,729,619.34 = 799,976.44/x
  3. Step 3: Cross multiply
    1,154,270.44x = 1,729,619.34 × 799,976.44
  4. Step 4: Simplify right side
    1,154,270.44x = 1,383,654,722,168.35
  5. Step 5: Solve for x
    x = 1,383,654,722,168.35/1,154,270.44
  6. Step 6: Final answer
    x = 1,198,726.64

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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.