Home / 383,416.62-529,117.03-222,367.15

Finding the Fourth Proportional to 383,416.62, 529,117.03 and 222,367.15

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Solution

The fourth proportional to 383,416.62, 529,117.03 and 222,367.15 is: 306,867.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,416.62 : 529,117.03 = 222,367.15 : x
  2. Step 2: Convert to fraction form
    383,416.62/529,117.03 = 222,367.15/x
  3. Step 3: Cross multiply
    383,416.62x = 529,117.03 × 222,367.15
  4. Step 4: Simplify right side
    383,416.62x = 117,658,247,856.28
  5. Step 5: Solve for x
    x = 117,658,247,856.28/383,416.62
  6. Step 6: Final answer
    x = 306,867.89

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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.