Home / 854,468.98-1,281,791.22-322,437.76

Finding the Fourth Proportional to 854,468.98, 1,281,791.22 and 322,437.76

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Solution

The fourth proportional to 854,468.98, 1,281,791.22 and 322,437.76 is: 483,689.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,468.98 : 1,281,791.22 = 322,437.76 : x
  2. Step 2: Convert to fraction form
    854,468.98/1,281,791.22 = 322,437.76/x
  3. Step 3: Cross multiply
    854,468.98x = 1,281,791.22 × 322,437.76
  4. Step 4: Simplify right side
    854,468.98x = 413,297,889,764.47
  5. Step 5: Solve for x
    x = 413,297,889,764.47/854,468.98
  6. Step 6: Final answer
    x = 483,689.75

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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.