Home / 884,982.78-1,221,273.99-482,574.78

Finding the Fourth Proportional to 884,982.78, 1,221,273.99 and 482,574.78

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Solution

The fourth proportional to 884,982.78, 1,221,273.99 and 482,574.78 is: 665,951.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,982.78 : 1,221,273.99 = 482,574.78 : x
  2. Step 2: Convert to fraction form
    884,982.78/1,221,273.99 = 482,574.78/x
  3. Step 3: Cross multiply
    884,982.78x = 1,221,273.99 × 482,574.78
  4. Step 4: Simplify right side
    884,982.78x = 589,356,027,043.97
  5. Step 5: Solve for x
    x = 589,356,027,043.97/884,982.78
  6. Step 6: Final answer
    x = 665,951.97

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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.