Home / 1,543,168.20-2,129,523.90-854,812.44

Finding the Fourth Proportional to 1,543,168.20, 2,129,523.90 and 854,812.44

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Solution

The fourth proportional to 1,543,168.20, 2,129,523.90 and 854,812.44 is: 1,179,614.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,168.20 : 2,129,523.90 = 854,812.44 : x
  2. Step 2: Convert to fraction form
    1,543,168.20/2,129,523.90 = 854,812.44/x
  3. Step 3: Cross multiply
    1,543,168.20x = 2,129,523.90 × 854,812.44
  4. Step 4: Simplify right side
    1,543,168.20x = 1,820,343,520,997.32
  5. Step 5: Solve for x
    x = 1,820,343,520,997.32/1,543,168.20
  6. Step 6: Final answer
    x = 1,179,614.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.