Home / 383,860.49-529,556.18-222,622.16

Finding the Fourth Proportional to 383,860.49, 529,556.18 and 222,622.16

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Solution

The fourth proportional to 383,860.49, 529,556.18 and 222,622.16 is: 307,119.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,860.49 : 529,556.18 = 222,622.16 : x
  2. Step 2: Convert to fraction form
    383,860.49/529,556.18 = 222,622.16/x
  3. Step 3: Cross multiply
    383,860.49x = 529,556.18 × 222,622.16
  4. Step 4: Simplify right side
    383,860.49x = 117,890,936,872.06
  5. Step 5: Solve for x
    x = 117,890,936,872.06/383,860.49
  6. Step 6: Final answer
    x = 307,119.23

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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.