Home / 377,296.37-520,771.34-222,382.96

Finding the Fourth Proportional to 377,296.37, 520,771.34 and 222,382.96

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Solution

The fourth proportional to 377,296.37, 520,771.34 and 222,382.96 is: 306,948.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,296.37 : 520,771.34 = 222,382.96 : x
  2. Step 2: Convert to fraction form
    377,296.37/520,771.34 = 222,382.96/x
  3. Step 3: Cross multiply
    377,296.37x = 520,771.34 × 222,382.96
  4. Step 4: Simplify right side
    377,296.37x = 115,810,672,072.37
  5. Step 5: Solve for x
    x = 115,810,672,072.37/377,296.37
  6. Step 6: Final answer
    x = 306,948.81

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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.