Home / 516,204.14-712,620.72-322,719.35

Finding the Fourth Proportional to 516,204.14, 712,620.72 and 322,719.35

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Solution

The fourth proportional to 516,204.14, 712,620.72 and 322,719.35 is: 445,514.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,204.14 : 712,620.72 = 322,719.35 : x
  2. Step 2: Convert to fraction form
    516,204.14/712,620.72 = 322,719.35/x
  3. Step 3: Cross multiply
    516,204.14x = 712,620.72 × 322,719.35
  4. Step 4: Simplify right side
    516,204.14x = 229,976,491,991.83
  5. Step 5: Solve for x
    x = 229,976,491,991.83/516,204.14
  6. Step 6: Final answer
    x = 445,514.63

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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.