Home / 773,969.21-1,160,960.30-213,034.49

Finding the Fourth Proportional to 773,969.21, 1,160,960.30 and 213,034.49

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Solution

The fourth proportional to 773,969.21, 1,160,960.30 and 213,034.49 is: 319,553.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,969.21 : 1,160,960.30 = 213,034.49 : x
  2. Step 2: Convert to fraction form
    773,969.21/1,160,960.30 = 213,034.49/x
  3. Step 3: Cross multiply
    773,969.21x = 1,160,960.30 × 213,034.49
  4. Step 4: Simplify right side
    773,969.21x = 247,324,585,420.75
  5. Step 5: Solve for x
    x = 247,324,585,420.75/773,969.21
  6. Step 6: Final answer
    x = 319,553.52

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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.