Home / 386,637.50-533,558.66-214,581.44

Finding the Fourth Proportional to 386,637.50, 533,558.66 and 214,581.44

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Solution

The fourth proportional to 386,637.50, 533,558.66 and 214,581.44 is: 296,121.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,637.50 : 533,558.66 = 214,581.44 : x
  2. Step 2: Convert to fraction form
    386,637.50/533,558.66 = 214,581.44/x
  3. Step 3: Cross multiply
    386,637.50x = 533,558.66 × 214,581.44
  4. Step 4: Simplify right side
    386,637.50x = 114,491,785,587.27
  5. Step 5: Solve for x
    x = 114,491,785,587.27/386,637.50
  6. Step 6: Final answer
    x = 296,121.78

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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.