Home / 654,160.38-981,621.24-275,053.65

Finding the Fourth Proportional to 654,160.38, 981,621.24 and 275,053.65

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Solution

The fourth proportional to 654,160.38, 981,621.24 and 275,053.65 is: 412,740.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,160.38 : 981,621.24 = 275,053.65 : x
  2. Step 2: Convert to fraction form
    654,160.38/981,621.24 = 275,053.65/x
  3. Step 3: Cross multiply
    654,160.38x = 981,621.24 × 275,053.65
  4. Step 4: Simplify right side
    654,160.38x = 269,998,504,979.53
  5. Step 5: Solve for x
    x = 269,998,504,979.53/654,160.38
  6. Step 6: Final answer
    x = 412,740.53

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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.