Home / 396,974.39-594,880.20-196,895.21

Finding the Fourth Proportional to 396,974.39, 594,880.20 and 196,895.21

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Solution

The fourth proportional to 396,974.39, 594,880.20 and 196,895.21 is: 295,054.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,974.39 : 594,880.20 = 196,895.21 : x
  2. Step 2: Convert to fraction form
    396,974.39/594,880.20 = 196,895.21/x
  3. Step 3: Cross multiply
    396,974.39x = 594,880.20 × 196,895.21
  4. Step 4: Simplify right side
    396,974.39x = 117,129,058,929.44
  5. Step 5: Solve for x
    x = 117,129,058,929.44/396,974.39
  6. Step 6: Final answer
    x = 295,054.45

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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.