Home / 396,258.03-594,366.35-129,983.49

Finding the Fourth Proportional to 396,258.03, 594,366.35 and 129,983.49

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Solution

The fourth proportional to 396,258.03, 594,366.35 and 129,983.49 is: 194,968.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,258.03 : 594,366.35 = 129,983.49 : x
  2. Step 2: Convert to fraction form
    396,258.03/594,366.35 = 129,983.49/x
  3. Step 3: Cross multiply
    396,258.03x = 594,366.35 × 129,983.49
  4. Step 4: Simplify right side
    396,258.03x = 77,257,811,861.64
  5. Step 5: Solve for x
    x = 77,257,811,861.64/396,258.03
  6. Step 6: Final answer
    x = 194,968.44

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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.