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Finding the Fourth Proportional to 1,244,843.89, 1,717,867.67 and 700,986.20

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Solution

The fourth proportional to 1,244,843.89, 1,717,867.67 and 700,986.20 is: 967,351.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,843.89 : 1,717,867.67 = 700,986.20 : x
  2. Step 2: Convert to fraction form
    1,244,843.89/1,717,867.67 = 700,986.20/x
  3. Step 3: Cross multiply
    1,244,843.89x = 1,717,867.67 × 700,986.20
  4. Step 4: Simplify right side
    1,244,843.89x = 1,204,201,518,001.88
  5. Step 5: Solve for x
    x = 1,204,201,518,001.88/1,244,843.89
  6. Step 6: Final answer
    x = 967,351.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.