Home / 1,367,997.96-2,052,217.44-421,368.24

Finding the Fourth Proportional to 1,367,997.96, 2,052,217.44 and 421,368.24

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Solution

The fourth proportional to 1,367,997.96, 2,052,217.44 and 421,368.24 is: 632,120.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,997.96 : 2,052,217.44 = 421,368.24 : x
  2. Step 2: Convert to fraction form
    1,367,997.96/2,052,217.44 = 421,368.24/x
  3. Step 3: Cross multiply
    1,367,997.96x = 2,052,217.44 × 421,368.24
  4. Step 4: Simplify right side
    1,367,997.96x = 864,739,250,790.11
  5. Step 5: Solve for x
    x = 864,739,250,790.11/1,367,997.96
  6. Step 6: Final answer
    x = 632,120.28

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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.