Home / 396,905.40-595,698.30-160,417.80

Finding the Fourth Proportional to 396,905.40, 595,698.30 and 160,417.80

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Solution

The fourth proportional to 396,905.40, 595,698.30 and 160,417.80 is: 240,764.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,905.40 : 595,698.30 = 160,417.80 : x
  2. Step 2: Convert to fraction form
    396,905.40/595,698.30 = 160,417.80/x
  3. Step 3: Cross multiply
    396,905.40x = 595,698.30 × 160,417.80
  4. Step 4: Simplify right side
    396,905.40x = 95,560,610,749.74
  5. Step 5: Solve for x
    x = 95,560,610,749.74/396,905.40
  6. Step 6: Final answer
    x = 240,764.20

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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.