Home / 409,173.20-612,999.48-222,341.84

Finding the Fourth Proportional to 409,173.20, 612,999.48 and 222,341.84

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Solution

The fourth proportional to 409,173.20, 612,999.48 and 222,341.84 is: 333,099.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,173.20 : 612,999.48 = 222,341.84 : x
  2. Step 2: Convert to fraction form
    409,173.20/612,999.48 = 222,341.84/x
  3. Step 3: Cross multiply
    409,173.20x = 612,999.48 × 222,341.84
  4. Step 4: Simplify right side
    409,173.20x = 136,295,432,302.24
  5. Step 5: Solve for x
    x = 136,295,432,302.24/409,173.20
  6. Step 6: Final answer
    x = 333,099.61

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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.