Home / 1,361,570.20-2,042,136.60-414,720.70

Finding the Fourth Proportional to 1,361,570.20, 2,042,136.60 and 414,720.70

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Solution

The fourth proportional to 1,361,570.20, 2,042,136.60 and 414,720.70 is: 622,014.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,570.20 : 2,042,136.60 = 414,720.70 : x
  2. Step 2: Convert to fraction form
    1,361,570.20/2,042,136.60 = 414,720.70/x
  3. Step 3: Cross multiply
    1,361,570.20x = 2,042,136.60 × 414,720.70
  4. Step 4: Simplify right side
    1,361,570.20x = 846,916,320,247.62
  5. Step 5: Solve for x
    x = 846,916,320,247.62/1,361,570.20
  6. Step 6: Final answer
    x = 622,014.44

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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.