Home / 383,521.34-529,245.02-222,383.18

Finding the Fourth Proportional to 383,521.34, 529,245.02 and 222,383.18

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Solution

The fourth proportional to 383,521.34, 529,245.02 and 222,383.18 is: 306,880.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,521.34 : 529,245.02 = 222,383.18 : x
  2. Step 2: Convert to fraction form
    383,521.34/529,245.02 = 222,383.18/x
  3. Step 3: Cross multiply
    383,521.34x = 529,245.02 × 222,383.18
  4. Step 4: Simplify right side
    383,521.34x = 117,695,190,546.76
  5. Step 5: Solve for x
    x = 117,695,190,546.76/383,521.34
  6. Step 6: Final answer
    x = 306,880.42

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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.