Home / 739,942.52-1,109,868.24-455,687.24

Finding the Fourth Proportional to 739,942.52, 1,109,868.24 and 455,687.24

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Solution

The fourth proportional to 739,942.52, 1,109,868.24 and 455,687.24 is: 683,502.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,942.52 : 1,109,868.24 = 455,687.24 : x
  2. Step 2: Convert to fraction form
    739,942.52/1,109,868.24 = 455,687.24/x
  3. Step 3: Cross multiply
    739,942.52x = 1,109,868.24 × 455,687.24
  4. Step 4: Simplify right side
    739,942.52x = 505,752,795,049.26
  5. Step 5: Solve for x
    x = 505,752,795,049.26/739,942.52
  6. Step 6: Final answer
    x = 683,502.81

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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.