Home / 619,221.83-854,535.28-361,091.58

Finding the Fourth Proportional to 619,221.83, 854,535.28 and 361,091.58

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Solution

The fourth proportional to 619,221.83, 854,535.28 and 361,091.58 is: 498,311.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,221.83 : 854,535.28 = 361,091.58 : x
  2. Step 2: Convert to fraction form
    619,221.83/854,535.28 = 361,091.58/x
  3. Step 3: Cross multiply
    619,221.83x = 854,535.28 × 361,091.58
  4. Step 4: Simplify right side
    619,221.83x = 308,565,497,506.99
  5. Step 5: Solve for x
    x = 308,565,497,506.99/619,221.83
  6. Step 6: Final answer
    x = 498,311.73

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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.