Home / 516,107.22-712,486.83-322,622.56

Finding the Fourth Proportional to 516,107.22, 712,486.83 and 322,622.56

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Solution

The fourth proportional to 516,107.22, 712,486.83 and 322,622.56 is: 445,380.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,107.22 : 712,486.83 = 322,622.56 : x
  2. Step 2: Convert to fraction form
    516,107.22/712,486.83 = 322,622.56/x
  3. Step 3: Cross multiply
    516,107.22x = 712,486.83 × 322,622.56
  4. Step 4: Simplify right side
    516,107.22x = 229,864,319,885.34
  5. Step 5: Solve for x
    x = 229,864,319,885.34/516,107.22
  6. Step 6: Final answer
    x = 445,380.95

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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.