Home / 589,849.44-813,992.64-321,577.44

Finding the Fourth Proportional to 589,849.44, 813,992.64 and 321,577.44

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Solution

The fourth proportional to 589,849.44, 813,992.64 and 321,577.44 is: 443,777.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,849.44 : 813,992.64 = 321,577.44 : x
  2. Step 2: Convert to fraction form
    589,849.44/813,992.64 = 321,577.44/x
  3. Step 3: Cross multiply
    589,849.44x = 813,992.64 × 321,577.44
  4. Step 4: Simplify right side
    589,849.44x = 261,761,669,350.04
  5. Step 5: Solve for x
    x = 261,761,669,350.04/589,849.44
  6. Step 6: Final answer
    x = 443,777.09

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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.