Home / 383,086.26-528,190.61-239,597.19

Finding the Fourth Proportional to 383,086.26, 528,190.61 and 239,597.19

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Solution

The fourth proportional to 383,086.26, 528,190.61 and 239,597.19 is: 330,351.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,086.26 : 528,190.61 = 239,597.19 : x
  2. Step 2: Convert to fraction form
    383,086.26/528,190.61 = 239,597.19/x
  3. Step 3: Cross multiply
    383,086.26x = 528,190.61 × 239,597.19
  4. Step 4: Simplify right side
    383,086.26x = 126,552,984,742.40
  5. Step 5: Solve for x
    x = 126,552,984,742.40/383,086.26
  6. Step 6: Final answer
    x = 330,351.15

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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.