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Finding the Fourth Proportional to 1,180,992.27, 1,629,839.84 and 894,057.87

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Solution

The fourth proportional to 1,180,992.27, 1,629,839.84 and 894,057.87 is: 1,233,853.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,992.27 : 1,629,839.84 = 894,057.87 : x
  2. Step 2: Convert to fraction form
    1,180,992.27/1,629,839.84 = 894,057.87/x
  3. Step 3: Cross multiply
    1,180,992.27x = 1,629,839.84 × 894,057.87
  4. Step 4: Simplify right side
    1,180,992.27x = 1,457,171,131,321.25
  5. Step 5: Solve for x
    x = 1,457,171,131,321.25/1,180,992.27
  6. Step 6: Final answer
    x = 1,233,853.23

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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.