Home / 487,553.38-731,408.00-150,514.81

Finding the Fourth Proportional to 487,553.38, 731,408.00 and 150,514.81

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Solution

The fourth proportional to 487,553.38, 731,408.00 and 150,514.81 is: 225,796.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,553.38 : 731,408.00 = 150,514.81 : x
  2. Step 2: Convert to fraction form
    487,553.38/731,408.00 = 150,514.81/x
  3. Step 3: Cross multiply
    487,553.38x = 731,408.00 × 150,514.81
  4. Step 4: Simplify right side
    487,553.38x = 110,087,733,571.39
  5. Step 5: Solve for x
    x = 110,087,733,571.39/487,553.38
  6. Step 6: Final answer
    x = 225,796.27

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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.