Home / 654,183.40-981,306.78-180,858.28

Finding the Fourth Proportional to 654,183.40, 981,306.78 and 180,858.28

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Solution

The fourth proportional to 654,183.40, 981,306.78 and 180,858.28 is: 271,296.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,183.40 : 981,306.78 = 180,858.28 : x
  2. Step 2: Convert to fraction form
    654,183.40/981,306.78 = 180,858.28/x
  3. Step 3: Cross multiply
    654,183.40x = 981,306.78 × 180,858.28
  4. Step 4: Simplify right side
    654,183.40x = 177,477,456,383.14
  5. Step 5: Solve for x
    x = 177,477,456,383.14/654,183.40
  6. Step 6: Final answer
    x = 271,296.18

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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.