Home / 1,108,039.92-1,529,003.22-624,723.90

Finding the Fourth Proportional to 1,108,039.92, 1,529,003.22 and 624,723.90

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Solution

The fourth proportional to 1,108,039.92, 1,529,003.22 and 624,723.90 is: 862,067.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,039.92 : 1,529,003.22 = 624,723.90 : x
  2. Step 2: Convert to fraction form
    1,108,039.92/1,529,003.22 = 624,723.90/x
  3. Step 3: Cross multiply
    1,108,039.92x = 1,529,003.22 × 624,723.90
  4. Step 4: Simplify right side
    1,108,039.92x = 955,204,854,710.96
  5. Step 5: Solve for x
    x = 955,204,854,710.96/1,108,039.92
  6. Step 6: Final answer
    x = 862,067.19

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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.