Home / 1,222,153.23-1,833,299.90-323,571.61

Finding the Fourth Proportional to 1,222,153.23, 1,833,299.90 and 323,571.61

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Solution

The fourth proportional to 1,222,153.23, 1,833,299.90 and 323,571.61 is: 485,375.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,153.23 : 1,833,299.90 = 323,571.61 : x
  2. Step 2: Convert to fraction form
    1,222,153.23/1,833,299.90 = 323,571.61/x
  3. Step 3: Cross multiply
    1,222,153.23x = 1,833,299.90 × 323,571.61
  4. Step 4: Simplify right side
    1,222,153.23x = 593,203,800,255.84
  5. Step 5: Solve for x
    x = 593,203,800,255.84/1,222,153.23
  6. Step 6: Final answer
    x = 485,375.96

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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.