Home / 731,660.33-1,097,464.13-191,912.30

Finding the Fourth Proportional to 731,660.33, 1,097,464.13 and 191,912.30

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Solution

The fourth proportional to 731,660.33, 1,097,464.13 and 191,912.30 is: 287,861.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,660.33 : 1,097,464.13 = 191,912.30 : x
  2. Step 2: Convert to fraction form
    731,660.33/1,097,464.13 = 191,912.30/x
  3. Step 3: Cross multiply
    731,660.33x = 1,097,464.13 × 191,912.30
  4. Step 4: Simplify right side
    731,660.33x = 210,616,863,744.08
  5. Step 5: Solve for x
    x = 210,616,863,744.08/731,660.33
  6. Step 6: Final answer
    x = 287,861.53

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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.