Home / 881,107.70-1,321,661.55-827,963.60

Finding the Fourth Proportional to 881,107.70, 1,321,661.55 and 827,963.60

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Solution

The fourth proportional to 881,107.70, 1,321,661.55 and 827,963.60 is: 1,241,945.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,107.70 : 1,321,661.55 = 827,963.60 : x
  2. Step 2: Convert to fraction form
    881,107.70/1,321,661.55 = 827,963.60/x
  3. Step 3: Cross multiply
    881,107.70x = 1,321,661.55 × 827,963.60
  4. Step 4: Simplify right side
    881,107.70x = 1,094,287,654,919.58
  5. Step 5: Solve for x
    x = 1,094,287,654,919.58/881,107.70
  6. Step 6: Final answer
    x = 1,241,945.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.