Home / 725,396.80-1,088,094.36-252,082.20

Finding the Fourth Proportional to 725,396.80, 1,088,094.36 and 252,082.20

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Solution

The fourth proportional to 725,396.80, 1,088,094.36 and 252,082.20 is: 378,123.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,396.80 : 1,088,094.36 = 252,082.20 : x
  2. Step 2: Convert to fraction form
    725,396.80/1,088,094.36 = 252,082.20/x
  3. Step 3: Cross multiply
    725,396.80x = 1,088,094.36 × 252,082.20
  4. Step 4: Simplify right side
    725,396.80x = 274,289,220,076.39
  5. Step 5: Solve for x
    x = 274,289,220,076.39/725,396.80
  6. Step 6: Final answer
    x = 378,123.01

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Double scale
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Similar ratio
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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.