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Finding the Fourth Proportional to 1,412,629.22, 1,949,494.97 and 800,793.84

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Solution

The fourth proportional to 1,412,629.22, 1,949,494.97 and 800,793.84 is: 1,105,133.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,629.22 : 1,949,494.97 = 800,793.84 : x
  2. Step 2: Convert to fraction form
    1,412,629.22/1,949,494.97 = 800,793.84/x
  3. Step 3: Cross multiply
    1,412,629.22x = 1,949,494.97 × 800,793.84
  4. Step 4: Simplify right side
    1,412,629.22x = 1,561,143,559,083.02
  5. Step 5: Solve for x
    x = 1,561,143,559,083.02/1,412,629.22
  6. Step 6: Final answer
    x = 1,105,133.28

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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.