Home / 383,840.20-529,528.32-222,601.84

Finding the Fourth Proportional to 383,840.20, 529,528.32 and 222,601.84

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Solution

The fourth proportional to 383,840.20, 529,528.32 and 222,601.84 is: 307,091.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,840.20 : 529,528.32 = 222,601.84 : x
  2. Step 2: Convert to fraction form
    383,840.20/529,528.32 = 222,601.84/x
  3. Step 3: Cross multiply
    383,840.20x = 529,528.32 × 222,601.84
  4. Step 4: Simplify right side
    383,840.20x = 117,873,978,364.11
  5. Step 5: Solve for x
    x = 117,873,978,364.11/383,840.20
  6. Step 6: Final answer
    x = 307,091.28

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1.5x scale

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.