Home / 1,115,027.66-1,538,729.70-605,733.68

Finding the Fourth Proportional to 1,115,027.66, 1,538,729.70 and 605,733.68

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Solution

The fourth proportional to 1,115,027.66, 1,538,729.70 and 605,733.68 is: 835,907.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,027.66 : 1,538,729.70 = 605,733.68 : x
  2. Step 2: Convert to fraction form
    1,115,027.66/1,538,729.70 = 605,733.68/x
  3. Step 3: Cross multiply
    1,115,027.66x = 1,538,729.70 × 605,733.68
  4. Step 4: Simplify right side
    1,115,027.66x = 932,060,396,012.65
  5. Step 5: Solve for x
    x = 932,060,396,012.65/1,115,027.66
  6. Step 6: Final answer
    x = 835,907.87

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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.