Home / 386,716.46-533,660.67-214,624.44

Finding the Fourth Proportional to 386,716.46, 533,660.67 and 214,624.44

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Solution

The fourth proportional to 386,716.46, 533,660.67 and 214,624.44 is: 296,177.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,716.46 : 533,660.67 = 214,624.44 : x
  2. Step 2: Convert to fraction form
    386,716.46/533,660.67 = 214,624.44/x
  3. Step 3: Cross multiply
    386,716.46x = 533,660.67 × 214,624.44
  4. Step 4: Simplify right side
    386,716.46x = 114,536,622,448.78
  5. Step 5: Solve for x
    x = 114,536,622,448.78/386,716.46
  6. Step 6: Final answer
    x = 296,177.26

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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.