Home / 538,824.83-743,583.44-297,115.97

Finding the Fourth Proportional to 538,824.83, 743,583.44 and 297,115.97

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Solution

The fourth proportional to 538,824.83, 743,583.44 and 297,115.97 is: 410,022.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,824.83 : 743,583.44 = 297,115.97 : x
  2. Step 2: Convert to fraction form
    538,824.83/743,583.44 = 297,115.97/x
  3. Step 3: Cross multiply
    538,824.83x = 743,583.44 × 297,115.97
  4. Step 4: Simplify right side
    538,824.83x = 220,930,512,076.41
  5. Step 5: Solve for x
    x = 220,930,512,076.41/538,824.83
  6. Step 6: Final answer
    x = 410,022.89

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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.