Home / 394,083.50-543,835.86-224,317.64

Finding the Fourth Proportional to 394,083.50, 543,835.86 and 224,317.64

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Solution

The fourth proportional to 394,083.50, 543,835.86 and 224,317.64 is: 309,558.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,083.50 : 543,835.86 = 224,317.64 : x
  2. Step 2: Convert to fraction form
    394,083.50/543,835.86 = 224,317.64/x
  3. Step 3: Cross multiply
    394,083.50x = 543,835.86 × 224,317.64
  4. Step 4: Simplify right side
    394,083.50x = 121,991,976,662.57
  5. Step 5: Solve for x
    x = 121,991,976,662.57/394,083.50
  6. Step 6: Final answer
    x = 309,558.70

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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.