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Finding the Fourth Proportional to 1,943,324.56, 2,681,791.88 and 1,083,862.64

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Solution

The fourth proportional to 1,943,324.56, 2,681,791.88 and 1,083,862.64 is: 1,495,732.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,324.56 : 2,681,791.88 = 1,083,862.64 : x
  2. Step 2: Convert to fraction form
    1,943,324.56/2,681,791.88 = 1,083,862.64/x
  3. Step 3: Cross multiply
    1,943,324.56x = 2,681,791.88 × 1,083,862.64
  4. Step 4: Simplify right side
    1,943,324.56x = 2,906,694,026,987.36
  5. Step 5: Solve for x
    x = 2,906,694,026,987.36/1,943,324.56
  6. Step 6: Final answer
    x = 1,495,732.67

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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.