Home / 757,042.22-1,135,809.37-505,345.86

Finding the Fourth Proportional to 757,042.22, 1,135,809.37 and 505,345.86

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Solution

The fourth proportional to 757,042.22, 1,135,809.37 and 505,345.86 is: 758,183.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,042.22 : 1,135,809.37 = 505,345.86 : x
  2. Step 2: Convert to fraction form
    757,042.22/1,135,809.37 = 505,345.86/x
  3. Step 3: Cross multiply
    757,042.22x = 1,135,809.37 × 505,345.86
  4. Step 4: Simplify right side
    757,042.22x = 573,976,557,512.46
  5. Step 5: Solve for x
    x = 573,976,557,512.46/757,042.22
  6. Step 6: Final answer
    x = 758,183.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.