Home / 409,494.85-565,078.03-225,725.36

Finding the Fourth Proportional to 409,494.85, 565,078.03 and 225,725.36

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Solution

The fourth proportional to 409,494.85, 565,078.03 and 225,725.36 is: 311,487.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,494.85 : 565,078.03 = 225,725.36 : x
  2. Step 2: Convert to fraction form
    409,494.85/565,078.03 = 225,725.36/x
  3. Step 3: Cross multiply
    409,494.85x = 565,078.03 × 225,725.36
  4. Step 4: Simplify right side
    409,494.85x = 127,552,441,749.84
  5. Step 5: Solve for x
    x = 127,552,441,749.84/409,494.85
  6. Step 6: Final answer
    x = 311,487.29

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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.