Home / 1,115,086.12-1,538,760.42-605,786.92

Finding the Fourth Proportional to 1,115,086.12, 1,538,760.42 and 605,786.92

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Solution

The fourth proportional to 1,115,086.12, 1,538,760.42 and 605,786.92 is: 835,954.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,086.12 : 1,538,760.42 = 605,786.92 : x
  2. Step 2: Convert to fraction form
    1,115,086.12/1,538,760.42 = 605,786.92/x
  3. Step 3: Cross multiply
    1,115,086.12x = 1,538,760.42 × 605,786.92
  4. Step 4: Simplify right side
    1,115,086.12x = 932,160,935,449.71
  5. Step 5: Solve for x
    x = 932,160,935,449.71/1,115,086.12
  6. Step 6: Final answer
    x = 835,954.21

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Double scale
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1.5x scale

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.