Home / 1,805,654.28-2,491,793.73-978,724.51

Finding the Fourth Proportional to 1,805,654.28, 2,491,793.73 and 978,724.51

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Solution

The fourth proportional to 1,805,654.28, 2,491,793.73 and 978,724.51 is: 1,350,634.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,654.28 : 2,491,793.73 = 978,724.51 : x
  2. Step 2: Convert to fraction form
    1,805,654.28/2,491,793.73 = 978,724.51/x
  3. Step 3: Cross multiply
    1,805,654.28x = 2,491,793.73 × 978,724.51
  4. Step 4: Simplify right side
    1,805,654.28x = 2,438,779,591,185.84
  5. Step 5: Solve for x
    x = 2,438,779,591,185.84/1,805,654.28
  6. Step 6: Final answer
    x = 1,350,634.84

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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.