Home / 383,416.30-529,116.60-222,366.84

Finding the Fourth Proportional to 383,416.30, 529,116.60 and 222,366.84

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Solution

The fourth proportional to 383,416.30, 529,116.60 and 222,366.84 is: 306,867.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,416.30 : 529,116.60 = 222,366.84 : x
  2. Step 2: Convert to fraction form
    383,416.30/529,116.60 = 222,366.84/x
  3. Step 3: Cross multiply
    383,416.30x = 529,116.60 × 222,366.84
  4. Step 4: Simplify right side
    383,416.30x = 117,657,986,333.54
  5. Step 5: Solve for x
    x = 117,657,986,333.54/383,416.30
  6. Step 6: Final answer
    x = 306,867.46

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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.