Home / 1,237,687.80-1,856,532.96-339,136.80

Finding the Fourth Proportional to 1,237,687.80, 1,856,532.96 and 339,136.80

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Solution

The fourth proportional to 1,237,687.80, 1,856,532.96 and 339,136.80 is: 508,705.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,687.80 : 1,856,532.96 = 339,136.80 : x
  2. Step 2: Convert to fraction form
    1,237,687.80/1,856,532.96 = 339,136.80/x
  3. Step 3: Cross multiply
    1,237,687.80x = 1,856,532.96 × 339,136.80
  4. Step 4: Simplify right side
    1,237,687.80x = 629,618,647,148.93
  5. Step 5: Solve for x
    x = 629,618,647,148.93/1,237,687.80
  6. Step 6: Final answer
    x = 508,705.55

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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.