Home / 547,799.54-755,949.24-306,084.10

Finding the Fourth Proportional to 547,799.54, 755,949.24 and 306,084.10

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Solution

The fourth proportional to 547,799.54, 755,949.24 and 306,084.10 is: 422,388.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,799.54 : 755,949.24 = 306,084.10 : x
  2. Step 2: Convert to fraction form
    547,799.54/755,949.24 = 306,084.10/x
  3. Step 3: Cross multiply
    547,799.54x = 755,949.24 × 306,084.10
  4. Step 4: Simplify right side
    547,799.54x = 231,384,042,771.08
  5. Step 5: Solve for x
    x = 231,384,042,771.08/547,799.54
  6. Step 6: Final answer
    x = 422,388.17

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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.