Home / 654,156.36-981,615.24-275,049.62

Finding the Fourth Proportional to 654,156.36, 981,615.24 and 275,049.62

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Solution

The fourth proportional to 654,156.36, 981,615.24 and 275,049.62 is: 412,734.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,156.36 : 981,615.24 = 275,049.62 : x
  2. Step 2: Convert to fraction form
    654,156.36/981,615.24 = 275,049.62/x
  3. Step 3: Cross multiply
    654,156.36x = 981,615.24 × 275,049.62
  4. Step 4: Simplify right side
    654,156.36x = 269,992,898,748.21
  5. Step 5: Solve for x
    x = 269,992,898,748.21/654,156.36
  6. Step 6: Final answer
    x = 412,734.50

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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.