Home / 383,099.66-528,631.23-219,747.70

Finding the Fourth Proportional to 383,099.66, 528,631.23 and 219,747.70

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Solution

The fourth proportional to 383,099.66, 528,631.23 and 219,747.70 is: 303,225.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,099.66 : 528,631.23 = 219,747.70 : x
  2. Step 2: Convert to fraction form
    383,099.66/528,631.23 = 219,747.70/x
  3. Step 3: Cross multiply
    383,099.66x = 528,631.23 × 219,747.70
  4. Step 4: Simplify right side
    383,099.66x = 116,165,493,198.78
  5. Step 5: Solve for x
    x = 116,165,493,198.78/383,099.66
  6. Step 6: Final answer
    x = 303,225.26

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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.