Home / 407,074.26-561,739.54-225,773.18

Finding the Fourth Proportional to 407,074.26, 561,739.54 and 225,773.18

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Solution

The fourth proportional to 407,074.26, 561,739.54 and 225,773.18 is: 311,554.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,074.26 : 561,739.54 = 225,773.18 : x
  2. Step 2: Convert to fraction form
    407,074.26/561,739.54 = 225,773.18/x
  3. Step 3: Cross multiply
    407,074.26x = 561,739.54 × 225,773.18
  4. Step 4: Simplify right side
    407,074.26x = 126,825,722,277.54
  5. Step 5: Solve for x
    x = 126,825,722,277.54/407,074.26
  6. Step 6: Final answer
    x = 311,554.27

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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.