Home / 1,115,229.28-1,539,022.80-605,935.84

Finding the Fourth Proportional to 1,115,229.28, 1,539,022.80 and 605,935.84

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Solution

The fourth proportional to 1,115,229.28, 1,539,022.80 and 605,935.84 is: 836,194.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,229.28 : 1,539,022.80 = 605,935.84 : x
  2. Step 2: Convert to fraction form
    1,115,229.28/1,539,022.80 = 605,935.84/x
  3. Step 3: Cross multiply
    1,115,229.28x = 1,539,022.80 × 605,935.84
  4. Step 4: Simplify right side
    1,115,229.28x = 932,549,073,097.15
  5. Step 5: Solve for x
    x = 932,549,073,097.15/1,115,229.28
  6. Step 6: Final answer
    x = 836,194.93

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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.