Home / 383,934.60-530,021.57-238,787.18

Finding the Fourth Proportional to 383,934.60, 530,021.57 and 238,787.18

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Solution

The fourth proportional to 383,934.60, 530,021.57 and 238,787.18 is: 329,645.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,934.60 : 530,021.57 = 238,787.18 : x
  2. Step 2: Convert to fraction form
    383,934.60/530,021.57 = 238,787.18/x
  3. Step 3: Cross multiply
    383,934.60x = 530,021.57 × 238,787.18
  4. Step 4: Simplify right side
    383,934.60x = 126,562,356,039.47
  5. Step 5: Solve for x
    x = 126,562,356,039.47/383,934.60
  6. Step 6: Final answer
    x = 329,645.61

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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.