Home / 396,376.23-546,770.44-252,974.64

Finding the Fourth Proportional to 396,376.23, 546,770.44 and 252,974.64

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Solution

The fourth proportional to 396,376.23, 546,770.44 and 252,974.64 is: 348,959.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,376.23 : 546,770.44 = 252,974.64 : x
  2. Step 2: Convert to fraction form
    396,376.23/546,770.44 = 252,974.64/x
  3. Step 3: Cross multiply
    396,376.23x = 546,770.44 × 252,974.64
  4. Step 4: Simplify right side
    396,376.23x = 138,319,053,956.77
  5. Step 5: Solve for x
    x = 138,319,053,956.77/396,376.23
  6. Step 6: Final answer
    x = 348,959.00

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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.