Home / 775,093.12-1,162,661.55-214,127.62

Finding the Fourth Proportional to 775,093.12, 1,162,661.55 and 214,127.62

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Solution

The fourth proportional to 775,093.12, 1,162,661.55 and 214,127.62 is: 321,197.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,093.12 : 1,162,661.55 = 214,127.62 : x
  2. Step 2: Convert to fraction form
    775,093.12/1,162,661.55 = 214,127.62/x
  3. Step 3: Cross multiply
    775,093.12x = 1,162,661.55 × 214,127.62
  4. Step 4: Simplify right side
    775,093.12x = 248,957,950,567.01
  5. Step 5: Solve for x
    x = 248,957,950,567.01/775,093.12
  6. Step 6: Final answer
    x = 321,197.47

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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.