Home / 754,238.38-1,131,357.75-221,762.02

Finding the Fourth Proportional to 754,238.38, 1,131,357.75 and 221,762.02

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Solution

The fourth proportional to 754,238.38, 1,131,357.75 and 221,762.02 is: 332,643.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,238.38 : 1,131,357.75 = 221,762.02 : x
  2. Step 2: Convert to fraction form
    754,238.38/1,131,357.75 = 221,762.02/x
  3. Step 3: Cross multiply
    754,238.38x = 1,131,357.75 × 221,762.02
  4. Step 4: Simplify right side
    754,238.38x = 250,892,179,982.66
  5. Step 5: Solve for x
    x = 250,892,179,982.66/754,238.38
  6. Step 6: Final answer
    x = 332,643.08

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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.