Home / 396,028.56-546,613.95-234,977.07

Finding the Fourth Proportional to 396,028.56, 546,613.95 and 234,977.07

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Solution

The fourth proportional to 396,028.56, 546,613.95 and 234,977.07 is: 324,324.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,028.56 : 546,613.95 = 234,977.07 : x
  2. Step 2: Convert to fraction form
    396,028.56/546,613.95 = 234,977.07/x
  3. Step 3: Cross multiply
    396,028.56x = 546,613.95 × 234,977.07
  4. Step 4: Simplify right side
    396,028.56x = 128,441,744,392.13
  5. Step 5: Solve for x
    x = 128,441,744,392.13/396,028.56
  6. Step 6: Final answer
    x = 324,324.45

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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.