Home / 383,863.23-529,560.09-222,624.81

Finding the Fourth Proportional to 383,863.23, 529,560.09 and 222,624.81

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Solution

The fourth proportional to 383,863.23, 529,560.09 and 222,624.81 is: 307,122.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,863.23 : 529,560.09 = 222,624.81 : x
  2. Step 2: Convert to fraction form
    383,863.23/529,560.09 = 222,624.81/x
  3. Step 3: Cross multiply
    383,863.23x = 529,560.09 × 222,624.81
  4. Step 4: Simplify right side
    383,863.23x = 117,893,214,419.83
  5. Step 5: Solve for x
    x = 117,893,214,419.83/383,863.23
  6. Step 6: Final answer
    x = 307,122.97

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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.