Home / 396,260.16-546,840-226,593.60

Finding the Fourth Proportional to 396,260.16, 546,840 and 226,593.60

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Solution

The fourth proportional to 396,260.16, 546,840 and 226,593.60 is: 312,699.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,260.16 : 546,840 = 226,593.60 : x
  2. Step 2: Convert to fraction form
    396,260.16/546,840 = 226,593.60/x
  3. Step 3: Cross multiply
    396,260.16x = 546,840 × 226,593.60
  4. Step 4: Simplify right side
    396,260.16x = 123,910,444,224
  5. Step 5: Solve for x
    x = 123,910,444,224/396,260.16
  6. Step 6: Final answer
    x = 312,699.73

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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.