Home / 591,768.41-816,937.37-388,131.37

Finding the Fourth Proportional to 591,768.41, 816,937.37 and 388,131.37

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Solution

The fourth proportional to 591,768.41, 816,937.37 and 388,131.37 is: 535,816.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,768.41 : 816,937.37 = 388,131.37 : x
  2. Step 2: Convert to fraction form
    591,768.41/816,937.37 = 388,131.37/x
  3. Step 3: Cross multiply
    591,768.41x = 816,937.37 × 388,131.37
  4. Step 4: Simplify right side
    591,768.41x = 317,079,021,484.05
  5. Step 5: Solve for x
    x = 317,079,021,484.05/591,768.41
  6. Step 6: Final answer
    x = 535,816.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.