Home / 407,025.63-561,729.87-225,795.96

Finding the Fourth Proportional to 407,025.63, 561,729.87 and 225,795.96

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Solution

The fourth proportional to 407,025.63, 561,729.87 and 225,795.96 is: 311,617.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,025.63 : 561,729.87 = 225,795.96 : x
  2. Step 2: Convert to fraction form
    407,025.63/561,729.87 = 225,795.96/x
  3. Step 3: Cross multiply
    407,025.63x = 561,729.87 × 225,795.96
  4. Step 4: Simplify right side
    407,025.63x = 126,836,335,257.33
  5. Step 5: Solve for x
    x = 126,836,335,257.33/407,025.63
  6. Step 6: Final answer
    x = 311,617.56

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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.