Home / 409,213.31-612,771.89-341,577.17

Finding the Fourth Proportional to 409,213.31, 612,771.89 and 341,577.17

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Solution

The fourth proportional to 409,213.31, 612,771.89 and 341,577.17 is: 511,490.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,213.31 : 612,771.89 = 341,577.17 : x
  2. Step 2: Convert to fraction form
    409,213.31/612,771.89 = 341,577.17/x
  3. Step 3: Cross multiply
    409,213.31x = 612,771.89 × 341,577.17
  4. Step 4: Simplify right side
    409,213.31x = 209,308,886,760.84
  5. Step 5: Solve for x
    x = 209,308,886,760.84/409,213.31
  6. Step 6: Final answer
    x = 511,490.91

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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.