Home / 654,154.37-981,612.24-275,047.64

Finding the Fourth Proportional to 654,154.37, 981,612.24 and 275,047.64

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Solution

The fourth proportional to 654,154.37, 981,612.24 and 275,047.64 is: 412,731.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,154.37 : 981,612.24 = 275,047.64 : x
  2. Step 2: Convert to fraction form
    654,154.37/981,612.24 = 275,047.64/x
  3. Step 3: Cross multiply
    654,154.37x = 981,612.24 × 275,047.64
  4. Step 4: Simplify right side
    654,154.37x = 269,990,125,099.05
  5. Step 5: Solve for x
    x = 269,990,125,099.05/654,154.37
  6. Step 6: Final answer
    x = 412,731.52

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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.