Home / 773,294.80-1,159,942.20-274,709.20

Finding the Fourth Proportional to 773,294.80, 1,159,942.20 and 274,709.20

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Solution

The fourth proportional to 773,294.80, 1,159,942.20 and 274,709.20 is: 412,063.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,294.80 : 1,159,942.20 = 274,709.20 : x
  2. Step 2: Convert to fraction form
    773,294.80/1,159,942.20 = 274,709.20/x
  3. Step 3: Cross multiply
    773,294.80x = 1,159,942.20 × 274,709.20
  4. Step 4: Simplify right side
    773,294.80x = 318,646,793,808.24
  5. Step 5: Solve for x
    x = 318,646,793,808.24/773,294.80
  6. Step 6: Final answer
    x = 412,063.80

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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.