Home / 492,974.67-739,768.19-315,608.97

Finding the Fourth Proportional to 492,974.67, 739,768.19 and 315,608.97

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Solution

The fourth proportional to 492,974.67, 739,768.19 and 315,608.97 is: 473,609.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,974.67 : 739,768.19 = 315,608.97 : x
  2. Step 2: Convert to fraction form
    492,974.67/739,768.19 = 315,608.97/x
  3. Step 3: Cross multiply
    492,974.67x = 739,768.19 × 315,608.97
  4. Step 4: Simplify right side
    492,974.67x = 233,477,474,906.62
  5. Step 5: Solve for x
    x = 233,477,474,906.62/492,974.67
  6. Step 6: Final answer
    x = 473,609.48

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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.