Home / 1,115,016.89-1,538,723.31-605,719.27

Finding the Fourth Proportional to 1,115,016.89, 1,538,723.31 and 605,719.27

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Solution

The fourth proportional to 1,115,016.89, 1,538,723.31 and 605,719.27 is: 835,892.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,016.89 : 1,538,723.31 = 605,719.27 : x
  2. Step 2: Convert to fraction form
    1,115,016.89/1,538,723.31 = 605,719.27/x
  3. Step 3: Cross multiply
    1,115,016.89x = 1,538,723.31 × 605,719.27
  4. Step 4: Simplify right side
    1,115,016.89x = 932,034,352,765.41
  5. Step 5: Solve for x
    x = 932,034,352,765.41/1,115,016.89
  6. Step 6: Final answer
    x = 835,892.59

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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.