Home / 1,361,842.20-2,042,544.60-414,992.70

Finding the Fourth Proportional to 1,361,842.20, 2,042,544.60 and 414,992.70

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Solution

The fourth proportional to 1,361,842.20, 2,042,544.60 and 414,992.70 is: 622,422.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,842.20 : 2,042,544.60 = 414,992.70 : x
  2. Step 2: Convert to fraction form
    1,361,842.20/2,042,544.60 = 414,992.70/x
  3. Step 3: Cross multiply
    1,361,842.20x = 2,042,544.60 × 414,992.70
  4. Step 4: Simplify right side
    1,361,842.20x = 847,641,098,424.42
  5. Step 5: Solve for x
    x = 847,641,098,424.42/1,361,842.20
  6. Step 6: Final answer
    x = 622,422.41

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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.