Home / 413,089.18-619,663.47-172,961.44

Finding the Fourth Proportional to 413,089.18, 619,663.47 and 172,961.44

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Solution

The fourth proportional to 413,089.18, 619,663.47 and 172,961.44 is: 259,454.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,089.18 : 619,663.47 = 172,961.44 : x
  2. Step 2: Convert to fraction form
    413,089.18/619,663.47 = 172,961.44/x
  3. Step 3: Cross multiply
    413,089.18x = 619,663.47 × 172,961.44
  4. Step 4: Simplify right side
    413,089.18x = 107,177,886,086.60
  5. Step 5: Solve for x
    x = 107,177,886,086.60/413,089.18
  6. Step 6: Final answer
    x = 259,454.60

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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.