Home / 383,660.64-529,441.20-222,505.38

Finding the Fourth Proportional to 383,660.64, 529,441.20 and 222,505.38

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Solution

The fourth proportional to 383,660.64, 529,441.20 and 222,505.38 is: 307,051.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,660.64 : 529,441.20 = 222,505.38 : x
  2. Step 2: Convert to fraction form
    383,660.64/529,441.20 = 222,505.38/x
  3. Step 3: Cross multiply
    383,660.64x = 529,441.20 × 222,505.38
  4. Step 4: Simplify right side
    383,660.64x = 117,803,515,393.66
  5. Step 5: Solve for x
    x = 117,803,515,393.66/383,660.64
  6. Step 6: Final answer
    x = 307,051.34

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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.