Home / 383,817.87-529,497.46-222,579.55

Finding the Fourth Proportional to 383,817.87, 529,497.46 and 222,579.55

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Solution

The fourth proportional to 383,817.87, 529,497.46 and 222,579.55 is: 307,060.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,817.87 : 529,497.46 = 222,579.55 : x
  2. Step 2: Convert to fraction form
    383,817.87/529,497.46 = 222,579.55/x
  3. Step 3: Cross multiply
    383,817.87x = 529,497.46 × 222,579.55
  4. Step 4: Simplify right side
    383,817.87x = 117,855,303,082.61
  5. Step 5: Solve for x
    x = 117,855,303,082.61/383,817.87
  6. Step 6: Final answer
    x = 307,060.49

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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.