Home / 725,507.29-1,088,263.46-220,072.62

Finding the Fourth Proportional to 725,507.29, 1,088,263.46 and 220,072.62

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Solution

The fourth proportional to 725,507.29, 1,088,263.46 and 220,072.62 is: 330,109.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,507.29 : 1,088,263.46 = 220,072.62 : x
  2. Step 2: Convert to fraction form
    725,507.29/1,088,263.46 = 220,072.62/x
  3. Step 3: Cross multiply
    725,507.29x = 1,088,263.46 × 220,072.62
  4. Step 4: Simplify right side
    725,507.29x = 239,496,991,442.65
  5. Step 5: Solve for x
    x = 239,496,991,442.65/725,507.29
  6. Step 6: Final answer
    x = 330,109.70

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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.