Home / 386,921.00-533,952.09-214,839.33

Finding the Fourth Proportional to 386,921.00, 533,952.09 and 214,839.33

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Solution

The fourth proportional to 386,921.00, 533,952.09 and 214,839.33 is: 296,478.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,921.00 : 533,952.09 = 214,839.33 : x
  2. Step 2: Convert to fraction form
    386,921.00/533,952.09 = 214,839.33/x
  3. Step 3: Cross multiply
    386,921.00x = 533,952.09 × 214,839.33
  4. Step 4: Simplify right side
    386,921.00x = 114,713,909,267.70
  5. Step 5: Solve for x
    x = 114,713,909,267.70/386,921.00
  6. Step 6: Final answer
    x = 296,478.90

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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.