Home / 440,834.45-607,788.41-285,511.37

Finding the Fourth Proportional to 440,834.45, 607,788.41 and 285,511.37

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Solution

The fourth proportional to 440,834.45, 607,788.41 and 285,511.37 is: 393,640.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,834.45 : 607,788.41 = 285,511.37 : x
  2. Step 2: Convert to fraction form
    440,834.45/607,788.41 = 285,511.37/x
  3. Step 3: Cross multiply
    440,834.45x = 607,788.41 × 285,511.37
  4. Step 4: Simplify right side
    440,834.45x = 173,530,497,142.72
  5. Step 5: Solve for x
    x = 173,530,497,142.72/440,834.45
  6. Step 6: Final answer
    x = 393,640.97

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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.