Home / 654,164.13-981,626.85-275,057.40

Finding the Fourth Proportional to 654,164.13, 981,626.85 and 275,057.40

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Solution

The fourth proportional to 654,164.13, 981,626.85 and 275,057.40 is: 412,746.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,164.13 : 981,626.85 = 275,057.40 : x
  2. Step 2: Convert to fraction form
    654,164.13/981,626.85 = 275,057.40/x
  3. Step 3: Cross multiply
    654,164.13x = 981,626.85 × 275,057.40
  4. Step 4: Simplify right side
    654,164.13x = 270,003,729,131.19
  5. Step 5: Solve for x
    x = 270,003,729,131.19/654,164.13
  6. Step 6: Final answer
    x = 412,746.15

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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.