Home / 1,115,032.80-1,538,747.10-605,735.58

Finding the Fourth Proportional to 1,115,032.80, 1,538,747.10 and 605,735.58

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Solution

The fourth proportional to 1,115,032.80, 1,538,747.10 and 605,735.58 is: 835,916.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,032.80 : 1,538,747.10 = 605,735.58 : x
  2. Step 2: Convert to fraction form
    1,115,032.80/1,538,747.10 = 605,735.58/x
  3. Step 3: Cross multiply
    1,115,032.80x = 1,538,747.10 × 605,735.58
  4. Step 4: Simplify right side
    1,115,032.80x = 932,073,867,091.82
  5. Step 5: Solve for x
    x = 932,073,867,091.82/1,115,032.80
  6. Step 6: Final answer
    x = 835,916.10

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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.