Home / 366,976.10-550,464.15-354,145.70

Finding the Fourth Proportional to 366,976.10, 550,464.15 and 354,145.70

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Solution

The fourth proportional to 366,976.10, 550,464.15 and 354,145.70 is: 531,218.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,976.10 : 550,464.15 = 354,145.70 : x
  2. Step 2: Convert to fraction form
    366,976.10/550,464.15 = 354,145.70/x
  3. Step 3: Cross multiply
    366,976.10x = 550,464.15 × 354,145.70
  4. Step 4: Simplify right side
    366,976.10x = 194,944,511,726.66
  5. Step 5: Solve for x
    x = 194,944,511,726.66/366,976.10
  6. Step 6: Final answer
    x = 531,218.55

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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.