Home / 1,081,647.34-1,621,997.64-513,190.49

Finding the Fourth Proportional to 1,081,647.34, 1,621,997.64 and 513,190.49

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Solution

The fourth proportional to 1,081,647.34, 1,621,997.64 and 513,190.49 is: 769,561.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,647.34 : 1,621,997.64 = 513,190.49 : x
  2. Step 2: Convert to fraction form
    1,081,647.34/1,621,997.64 = 513,190.49/x
  3. Step 3: Cross multiply
    1,081,647.34x = 1,621,997.64 × 513,190.49
  4. Step 4: Simplify right side
    1,081,647.34x = 832,393,763,650.44
  5. Step 5: Solve for x
    x = 832,393,763,650.44/1,081,647.34
  6. Step 6: Final answer
    x = 769,561.14

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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.