Home / 383,087.69-528,660.98-222,036.15

Finding the Fourth Proportional to 383,087.69, 528,660.98 and 222,036.15

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Solution

The fourth proportional to 383,087.69, 528,660.98 and 222,036.15 is: 306,409.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,087.69 : 528,660.98 = 222,036.15 : x
  2. Step 2: Convert to fraction form
    383,087.69/528,660.98 = 222,036.15/x
  3. Step 3: Cross multiply
    383,087.69x = 528,660.98 × 222,036.15
  4. Step 4: Simplify right side
    383,087.69x = 117,381,848,654.43
  5. Step 5: Solve for x
    x = 117,381,848,654.43/383,087.69
  6. Step 6: Final answer
    x = 306,409.87

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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.