Home / 1,115,080.79-1,538,822.27-605,786.81

Finding the Fourth Proportional to 1,115,080.79, 1,538,822.27 and 605,786.81

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Solution

The fourth proportional to 1,115,080.79, 1,538,822.27 and 605,786.81 is: 835,991.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,080.79 : 1,538,822.27 = 605,786.81 : x
  2. Step 2: Convert to fraction form
    1,115,080.79/1,538,822.27 = 605,786.81/x
  3. Step 3: Cross multiply
    1,115,080.79x = 1,538,822.27 × 605,786.81
  4. Step 4: Simplify right side
    1,115,080.79x = 932,198,227,920.61
  5. Step 5: Solve for x
    x = 932,198,227,920.61/1,115,080.79
  6. Step 6: Final answer
    x = 835,991.65

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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.