Home / 868,146.70-1,198,092.22-486,170.14

Finding the Fourth Proportional to 868,146.70, 1,198,092.22 and 486,170.14

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Solution

The fourth proportional to 868,146.70, 1,198,092.22 and 486,170.14 is: 670,942.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,146.70 : 1,198,092.22 = 486,170.14 : x
  2. Step 2: Convert to fraction form
    868,146.70/1,198,092.22 = 486,170.14/x
  3. Step 3: Cross multiply
    868,146.70x = 1,198,092.22 × 486,170.14
  4. Step 4: Simplify right side
    868,146.70x = 582,476,662,330.31
  5. Step 5: Solve for x
    x = 582,476,662,330.31/868,146.70
  6. Step 6: Final answer
    x = 670,942.67

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.