Home / 669,226.85-1,003,840.26-195,912.20

Finding the Fourth Proportional to 669,226.85, 1,003,840.26 and 195,912.20

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Solution

The fourth proportional to 669,226.85, 1,003,840.26 and 195,912.20 is: 293,868.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,226.85 : 1,003,840.26 = 195,912.20 : x
  2. Step 2: Convert to fraction form
    669,226.85/1,003,840.26 = 195,912.20/x
  3. Step 3: Cross multiply
    669,226.85x = 1,003,840.26 × 195,912.20
  4. Step 4: Simplify right side
    669,226.85x = 196,664,548,765.97
  5. Step 5: Solve for x
    x = 196,664,548,765.97/669,226.85
  6. Step 6: Final answer
    x = 293,868.29

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Double scale
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Similar ratio
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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.