Home / 809,522.88-1,214,170.24-509,087.68

Finding the Fourth Proportional to 809,522.88, 1,214,170.24 and 509,087.68

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Solution

The fourth proportional to 809,522.88, 1,214,170.24 and 509,087.68 is: 763,559.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,522.88 : 1,214,170.24 = 509,087.68 : x
  2. Step 2: Convert to fraction form
    809,522.88/1,214,170.24 = 509,087.68/x
  3. Step 3: Cross multiply
    809,522.88x = 1,214,170.24 × 509,087.68
  4. Step 4: Simplify right side
    809,522.88x = 618,119,110,606.64
  5. Step 5: Solve for x
    x = 618,119,110,606.64/809,522.88
  6. Step 6: Final answer
    x = 763,559.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.