Home / 396,821.22-595,254.30-126,973.08

Finding the Fourth Proportional to 396,821.22, 595,254.30 and 126,973.08

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Solution

The fourth proportional to 396,821.22, 595,254.30 and 126,973.08 is: 190,466.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,821.22 : 595,254.30 = 126,973.08 : x
  2. Step 2: Convert to fraction form
    396,821.22/595,254.30 = 126,973.08/x
  3. Step 3: Cross multiply
    396,821.22x = 595,254.30 × 126,973.08
  4. Step 4: Simplify right side
    396,821.22x = 75,581,271,854.24
  5. Step 5: Solve for x
    x = 75,581,271,854.24/396,821.22
  6. Step 6: Final answer
    x = 190,466.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.