Home / 699,414.79-1,049,122.13-193,975.76

Finding the Fourth Proportional to 699,414.79, 1,049,122.13 and 193,975.76

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Solution

The fourth proportional to 699,414.79, 1,049,122.13 and 193,975.76 is: 290,963.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,414.79 : 1,049,122.13 = 193,975.76 : x
  2. Step 2: Convert to fraction form
    699,414.79/1,049,122.13 = 193,975.76/x
  3. Step 3: Cross multiply
    699,414.79x = 1,049,122.13 × 193,975.76
  4. Step 4: Simplify right side
    699,414.79x = 203,504,261,446.75
  5. Step 5: Solve for x
    x = 203,504,261,446.75/699,414.79
  6. Step 6: Final answer
    x = 290,963.62

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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.