Home / 603,914.18-833,404.28-331,999.61

Finding the Fourth Proportional to 603,914.18, 833,404.28 and 331,999.61

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Solution

The fourth proportional to 603,914.18, 833,404.28 and 331,999.61 is: 458,160.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,914.18 : 833,404.28 = 331,999.61 : x
  2. Step 2: Convert to fraction form
    603,914.18/833,404.28 = 331,999.61/x
  3. Step 3: Cross multiply
    603,914.18x = 833,404.28 × 331,999.61
  4. Step 4: Simplify right side
    603,914.18x = 276,689,890,105.31
  5. Step 5: Solve for x
    x = 276,689,890,105.31/603,914.18
  6. Step 6: Final answer
    x = 458,160.95

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1.5x scale

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.