Home / 644,241.24-889,131.33-372,311.37

Finding the Fourth Proportional to 644,241.24, 889,131.33 and 372,311.37

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Solution

The fourth proportional to 644,241.24, 889,131.33 and 372,311.37 is: 513,835.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,241.24 : 889,131.33 = 372,311.37 : x
  2. Step 2: Convert to fraction form
    644,241.24/889,131.33 = 372,311.37/x
  3. Step 3: Cross multiply
    644,241.24x = 889,131.33 × 372,311.37
  4. Step 4: Simplify right side
    644,241.24x = 331,033,703,582.22
  5. Step 5: Solve for x
    x = 331,033,703,582.22/644,241.24
  6. Step 6: Final answer
    x = 513,835.01

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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.