Home / 396,546.60-594,819.90-209,922.60

Finding the Fourth Proportional to 396,546.60, 594,819.90 and 209,922.60

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Solution

The fourth proportional to 396,546.60, 594,819.90 and 209,922.60 is: 314,883.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,546.60 : 594,819.90 = 209,922.60 : x
  2. Step 2: Convert to fraction form
    396,546.60/594,819.90 = 209,922.60/x
  3. Step 3: Cross multiply
    396,546.60x = 594,819.90 × 209,922.60
  4. Step 4: Simplify right side
    396,546.60x = 124,866,139,939.74
  5. Step 5: Solve for x
    x = 124,866,139,939.74/396,546.60
  6. Step 6: Final answer
    x = 314,883.90

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1.5x scale

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.