Home / 383,621.72-529,400.24-222,572.66

Finding the Fourth Proportional to 383,621.72, 529,400.24 and 222,572.66

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Solution

The fourth proportional to 383,621.72, 529,400.24 and 222,572.66 is: 307,151.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,621.72 : 529,400.24 = 222,572.66 : x
  2. Step 2: Convert to fraction form
    383,621.72/529,400.24 = 222,572.66/x
  3. Step 3: Cross multiply
    383,621.72x = 529,400.24 × 222,572.66
  4. Step 4: Simplify right side
    383,621.72x = 117,830,015,861.57
  5. Step 5: Solve for x
    x = 117,830,015,861.57/383,621.72
  6. Step 6: Final answer
    x = 307,151.58

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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.