Home / 654,313.13-981,469.69-180,986.19

Finding the Fourth Proportional to 654,313.13, 981,469.69 and 180,986.19

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Solution

The fourth proportional to 654,313.13, 981,469.69 and 180,986.19 is: 271,479.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,313.13 : 981,469.69 = 180,986.19 : x
  2. Step 2: Convert to fraction form
    654,313.13/981,469.69 = 180,986.19/x
  3. Step 3: Cross multiply
    654,313.13x = 981,469.69 × 180,986.19
  4. Step 4: Simplify right side
    654,313.13x = 177,632,459,793.58
  5. Step 5: Solve for x
    x = 177,632,459,793.58/654,313.13
  6. Step 6: Final answer
    x = 271,479.28

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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.