Home / 386,519.91-533,400.68-214,449.16

Finding the Fourth Proportional to 386,519.91, 533,400.68 and 214,449.16

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Solution

The fourth proportional to 386,519.91, 533,400.68 and 214,449.16 is: 295,941.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,519.91 : 533,400.68 = 214,449.16 : x
  2. Step 2: Convert to fraction form
    386,519.91/533,400.68 = 214,449.16/x
  3. Step 3: Cross multiply
    386,519.91x = 533,400.68 × 214,449.16
  4. Step 4: Simplify right side
    386,519.91x = 114,387,327,769.43
  5. Step 5: Solve for x
    x = 114,387,327,769.43/386,519.91
  6. Step 6: Final answer
    x = 295,941.62

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1.5x scale

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.