Home / 377,260.07-520,679.55-222,236.39

Finding the Fourth Proportional to 377,260.07, 520,679.55 and 222,236.39

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Solution

The fourth proportional to 377,260.07, 520,679.55 and 222,236.39 is: 306,721.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,260.07 : 520,679.55 = 222,236.39 : x
  2. Step 2: Convert to fraction form
    377,260.07/520,679.55 = 222,236.39/x
  3. Step 3: Cross multiply
    377,260.07x = 520,679.55 × 222,236.39
  4. Step 4: Simplify right side
    377,260.07x = 115,713,944,840.52
  5. Step 5: Solve for x
    x = 115,713,944,840.52/377,260.07
  6. Step 6: Final answer
    x = 306,721.96

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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.