Home / 418,404.04-627,408.94-151,976.68

Finding the Fourth Proportional to 418,404.04, 627,408.94 and 151,976.68

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Solution

The fourth proportional to 418,404.04, 627,408.94 and 151,976.68 is: 227,893.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,404.04 : 627,408.94 = 151,976.68 : x
  2. Step 2: Convert to fraction form
    418,404.04/627,408.94 = 151,976.68/x
  3. Step 3: Cross multiply
    418,404.04x = 627,408.94 × 151,976.68
  4. Step 4: Simplify right side
    418,404.04x = 95,351,527,703.52
  5. Step 5: Solve for x
    x = 95,351,527,703.52/418,404.04
  6. Step 6: Final answer
    x = 227,893.42

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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.