Home / 425,921.40-587,960.46-275,091.96

Finding the Fourth Proportional to 425,921.40, 587,960.46 and 275,091.96

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Solution

The fourth proportional to 425,921.40, 587,960.46 and 275,091.96 is: 379,748.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,921.40 : 587,960.46 = 275,091.96 : x
  2. Step 2: Convert to fraction form
    425,921.40/587,960.46 = 275,091.96/x
  3. Step 3: Cross multiply
    425,921.40x = 587,960.46 × 275,091.96
  4. Step 4: Simplify right side
    425,921.40x = 161,743,195,343.90
  5. Step 5: Solve for x
    x = 161,743,195,343.90/425,921.40
  6. Step 6: Final answer
    x = 379,748.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.