Home / 383,932.60-530,018.81-238,785.18

Finding the Fourth Proportional to 383,932.60, 530,018.81 and 238,785.18

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Solution

The fourth proportional to 383,932.60, 530,018.81 and 238,785.18 is: 329,642.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,932.60 : 530,018.81 = 238,785.18 : x
  2. Step 2: Convert to fraction form
    383,932.60/530,018.81 = 238,785.18/x
  3. Step 3: Cross multiply
    383,932.60x = 530,018.81 × 238,785.18
  4. Step 4: Simplify right side
    383,932.60x = 126,560,636,949.24
  5. Step 5: Solve for x
    x = 126,560,636,949.24/383,932.60
  6. Step 6: Final answer
    x = 329,642.85

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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.