Home / 547,724.06-755,845.27-306,008.44

Finding the Fourth Proportional to 547,724.06, 755,845.27 and 306,008.44

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Solution

The fourth proportional to 547,724.06, 755,845.27 and 306,008.44 is: 422,283.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,724.06 : 755,845.27 = 306,008.44 : x
  2. Step 2: Convert to fraction form
    547,724.06/755,845.27 = 306,008.44/x
  3. Step 3: Cross multiply
    547,724.06x = 755,845.27 × 306,008.44
  4. Step 4: Simplify right side
    547,724.06x = 231,295,036,335.28
  5. Step 5: Solve for x
    x = 231,295,036,335.28/547,724.06
  6. Step 6: Final answer
    x = 422,283.87

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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.