Home / 725,832.62-1,088,678.58-220,398.04

Finding the Fourth Proportional to 725,832.62, 1,088,678.58 and 220,398.04

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Solution

The fourth proportional to 725,832.62, 1,088,678.58 and 220,398.04 is: 330,575.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,832.62 : 1,088,678.58 = 220,398.04 : x
  2. Step 2: Convert to fraction form
    725,832.62/1,088,678.58 = 220,398.04/x
  3. Step 3: Cross multiply
    725,832.62x = 1,088,678.58 × 220,398.04
  4. Step 4: Simplify right side
    725,832.62x = 239,942,623,439.57
  5. Step 5: Solve for x
    x = 239,942,623,439.57/725,832.62
  6. Step 6: Final answer
    x = 330,575.70

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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.