Home / 725,524.92-1,088,289.96-220,090.32

Finding the Fourth Proportional to 725,524.92, 1,088,289.96 and 220,090.32

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Solution

The fourth proportional to 725,524.92, 1,088,289.96 and 220,090.32 is: 330,136.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,524.92 : 1,088,289.96 = 220,090.32 : x
  2. Step 2: Convert to fraction form
    725,524.92/1,088,289.96 = 220,090.32/x
  3. Step 3: Cross multiply
    725,524.92x = 1,088,289.96 × 220,090.32
  4. Step 4: Simplify right side
    725,524.92x = 239,522,085,549.19
  5. Step 5: Solve for x
    x = 239,522,085,549.19/725,524.92
  6. Step 6: Final answer
    x = 330,136.26

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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.