Home / 414,514.10-620,734.35-331,570.10

Finding the Fourth Proportional to 414,514.10, 620,734.35 and 331,570.10

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Solution

The fourth proportional to 414,514.10, 620,734.35 and 331,570.10 is: 496,525.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,514.10 : 620,734.35 = 331,570.10 : x
  2. Step 2: Convert to fraction form
    414,514.10/620,734.35 = 331,570.10/x
  3. Step 3: Cross multiply
    414,514.10x = 620,734.35 × 331,570.10
  4. Step 4: Simplify right side
    414,514.10x = 205,816,950,502.94
  5. Step 5: Solve for x
    x = 205,816,950,502.94/414,514.10
  6. Step 6: Final answer
    x = 496,525.81

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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.