Home / 757,629.45-1,136,651.71-378,092.00

Finding the Fourth Proportional to 757,629.45, 1,136,651.71 and 378,092.00

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Solution

The fourth proportional to 757,629.45, 1,136,651.71 and 378,092.00 is: 567,241.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,629.45 : 1,136,651.71 = 378,092.00 : x
  2. Step 2: Convert to fraction form
    757,629.45/1,136,651.71 = 378,092.00/x
  3. Step 3: Cross multiply
    757,629.45x = 1,136,651.71 × 378,092.00
  4. Step 4: Simplify right side
    757,629.45x = 429,758,922,006.03
  5. Step 5: Solve for x
    x = 429,758,922,006.03/757,629.45
  6. Step 6: Final answer
    x = 567,241.57

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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.