Home / 396,938.88-547,680.96-224,860.80

Finding the Fourth Proportional to 396,938.88, 547,680.96 and 224,860.80

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Solution

The fourth proportional to 396,938.88, 547,680.96 and 224,860.80 is: 310,254.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,938.88 : 547,680.96 = 224,860.80 : x
  2. Step 2: Convert to fraction form
    396,938.88/547,680.96 = 224,860.80/x
  3. Step 3: Cross multiply
    396,938.88x = 547,680.96 × 224,860.80
  4. Step 4: Simplify right side
    396,938.88x = 123,151,978,810.37
  5. Step 5: Solve for x
    x = 123,151,978,810.37/396,938.88
  6. Step 6: Final answer
    x = 310,254.26

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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.