Home / 1,399,922.35-2,100,189.77-453,388.75

Finding the Fourth Proportional to 1,399,922.35, 2,100,189.77 and 453,388.75

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Solution

The fourth proportional to 1,399,922.35, 2,100,189.77 and 453,388.75 is: 680,182.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,922.35 : 2,100,189.77 = 453,388.75 : x
  2. Step 2: Convert to fraction form
    1,399,922.35/2,100,189.77 = 453,388.75/x
  3. Step 3: Cross multiply
    1,399,922.35x = 2,100,189.77 × 453,388.75
  4. Step 4: Simplify right side
    1,399,922.35x = 952,202,401,815.20
  5. Step 5: Solve for x
    x = 952,202,401,815.20/1,399,922.35
  6. Step 6: Final answer
    x = 680,182.30

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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.