Home / 396,675.43-547,276.91-253,518.06

Finding the Fourth Proportional to 396,675.43, 547,276.91 and 253,518.06

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Solution

The fourth proportional to 396,675.43, 547,276.91 and 253,518.06 is: 349,768.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,675.43 : 547,276.91 = 253,518.06 : x
  2. Step 2: Convert to fraction form
    396,675.43/547,276.91 = 253,518.06/x
  3. Step 3: Cross multiply
    396,675.43x = 547,276.91 × 253,518.06
  4. Step 4: Simplify right side
    396,675.43x = 138,744,580,506.00
  5. Step 5: Solve for x
    x = 138,744,580,506.00/396,675.43
  6. Step 6: Final answer
    x = 349,768.53

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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.