Home / 1,661,141.56-2,292,396.78-982,072.12

Finding the Fourth Proportional to 1,661,141.56, 2,292,396.78 and 982,072.12

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Solution

The fourth proportional to 1,661,141.56, 2,292,396.78 and 982,072.12 is: 1,355,272.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,141.56 : 2,292,396.78 = 982,072.12 : x
  2. Step 2: Convert to fraction form
    1,661,141.56/2,292,396.78 = 982,072.12/x
  3. Step 3: Cross multiply
    1,661,141.56x = 2,292,396.78 × 982,072.12
  4. Step 4: Simplify right side
    1,661,141.56x = 2,251,298,965,615.77
  5. Step 5: Solve for x
    x = 2,251,298,965,615.77/1,661,141.56
  6. Step 6: Final answer
    x = 1,355,272.19

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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.