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Finding the Fourth Proportional to 881,086.86, 1,214,836.11 and 744,880.50

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Solution

The fourth proportional to 881,086.86, 1,214,836.11 and 744,880.50 is: 1,027,035.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,086.86 : 1,214,836.11 = 744,880.50 : x
  2. Step 2: Convert to fraction form
    881,086.86/1,214,836.11 = 744,880.50/x
  3. Step 3: Cross multiply
    881,086.86x = 1,214,836.11 × 744,880.50
  4. Step 4: Simplify right side
    881,086.86x = 904,907,729,034.86
  5. Step 5: Solve for x
    x = 904,907,729,034.86/881,086.86
  6. Step 6: Final answer
    x = 1,027,035.78

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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.