Home / 347,896.80-521,828.04-203,882.88

Finding the Fourth Proportional to 347,896.80, 521,828.04 and 203,882.88

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Solution

The fourth proportional to 347,896.80, 521,828.04 and 203,882.88 is: 305,814.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,896.80 : 521,828.04 = 203,882.88 : x
  2. Step 2: Convert to fraction form
    347,896.80/521,828.04 = 203,882.88/x
  3. Step 3: Cross multiply
    347,896.80x = 521,828.04 × 203,882.88
  4. Step 4: Simplify right side
    347,896.80x = 106,391,803,659.96
  5. Step 5: Solve for x
    x = 106,391,803,659.96/347,896.80
  6. Step 6: Final answer
    x = 305,814.26

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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.