Home / 619,272.72-854,586.08-361,299.66

Finding the Fourth Proportional to 619,272.72, 854,586.08 and 361,299.66

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Solution

The fourth proportional to 619,272.72, 854,586.08 and 361,299.66 is: 498,587.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,272.72 : 854,586.08 = 361,299.66 : x
  2. Step 2: Convert to fraction form
    619,272.72/854,586.08 = 361,299.66/x
  3. Step 3: Cross multiply
    619,272.72x = 854,586.08 × 361,299.66
  4. Step 4: Simplify right side
    619,272.72x = 308,761,660,144.73
  5. Step 5: Solve for x
    x = 308,761,660,144.73/619,272.72
  6. Step 6: Final answer
    x = 498,587.54

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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.