Home / 414,550.05-621,755.51-115,061.06

Finding the Fourth Proportional to 414,550.05, 621,755.51 and 115,061.06

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Solution

The fourth proportional to 414,550.05, 621,755.51 and 115,061.06 is: 172,572.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,550.05 : 621,755.51 = 115,061.06 : x
  2. Step 2: Convert to fraction form
    414,550.05/621,755.51 = 115,061.06/x
  3. Step 3: Cross multiply
    414,550.05x = 621,755.51 × 115,061.06
  4. Step 4: Simplify right side
    414,550.05x = 71,539,848,041.44
  5. Step 5: Solve for x
    x = 71,539,848,041.44/414,550.05
  6. Step 6: Final answer
    x = 172,572.28

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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.