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Finding the Fourth Proportional to 1,095,662, 1,512,083.88 and 612,228.56

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Solution

The fourth proportional to 1,095,662, 1,512,083.88 and 612,228.56 is: 844,914.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,662 : 1,512,083.88 = 612,228.56 : x
  2. Step 2: Convert to fraction form
    1,095,662/1,512,083.88 = 612,228.56/x
  3. Step 3: Cross multiply
    1,095,662x = 1,512,083.88 × 612,228.56
  4. Step 4: Simplify right side
    1,095,662x = 925,740,936,451.61
  5. Step 5: Solve for x
    x = 925,740,936,451.61/1,095,662
  6. Step 6: Final answer
    x = 844,914.71

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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.