Home / 1,298,061.54-1,947,789.36-540,425.97

Finding the Fourth Proportional to 1,298,061.54, 1,947,789.36 and 540,425.97

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Solution

The fourth proportional to 1,298,061.54, 1,947,789.36 and 540,425.97 is: 810,929.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,061.54 : 1,947,789.36 = 540,425.97 : x
  2. Step 2: Convert to fraction form
    1,298,061.54/1,947,789.36 = 540,425.97/x
  3. Step 3: Cross multiply
    1,298,061.54x = 1,947,789.36 × 540,425.97
  4. Step 4: Simplify right side
    1,298,061.54x = 1,052,635,954,233.68
  5. Step 5: Solve for x
    x = 1,052,635,954,233.68/1,298,061.54
  6. Step 6: Final answer
    x = 810,929.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.