Home / 1,115,085.12-1,538,759.04-605,785.92

Finding the Fourth Proportional to 1,115,085.12, 1,538,759.04 and 605,785.92

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Solution

The fourth proportional to 1,115,085.12, 1,538,759.04 and 605,785.92 is: 835,952.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,085.12 : 1,538,759.04 = 605,785.92 : x
  2. Step 2: Convert to fraction form
    1,115,085.12/1,538,759.04 = 605,785.92/x
  3. Step 3: Cross multiply
    1,115,085.12x = 1,538,759.04 × 605,785.92
  4. Step 4: Simplify right side
    1,115,085.12x = 932,158,560,704.72
  5. Step 5: Solve for x
    x = 932,158,560,704.72/1,115,085.12
  6. Step 6: Final answer
    x = 835,952.83

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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.