Home / 982,639.60-1,356,781.77-966,945.37

Finding the Fourth Proportional to 982,639.60, 1,356,781.77 and 966,945.37

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Solution

The fourth proportional to 982,639.60, 1,356,781.77 and 966,945.37 is: 1,335,111.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,639.60 : 1,356,781.77 = 966,945.37 : x
  2. Step 2: Convert to fraction form
    982,639.60/1,356,781.77 = 966,945.37/x
  3. Step 3: Cross multiply
    982,639.60x = 1,356,781.77 × 966,945.37
  4. Step 4: Simplify right side
    982,639.60x = 1,311,933,850,850.33
  5. Step 5: Solve for x
    x = 1,311,933,850,850.33/982,639.60
  6. Step 6: Final answer
    x = 1,335,111.92

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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.