Home / 1,203,402.15-1,659,738.24-1,022,712.21

Finding the Fourth Proportional to 1,203,402.15, 1,659,738.24 and 1,022,712.21

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Solution

The fourth proportional to 1,203,402.15, 1,659,738.24 and 1,022,712.21 is: 1,410,529.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,402.15 : 1,659,738.24 = 1,022,712.21 : x
  2. Step 2: Convert to fraction form
    1,203,402.15/1,659,738.24 = 1,022,712.21/x
  3. Step 3: Cross multiply
    1,203,402.15x = 1,659,738.24 × 1,022,712.21
  4. Step 4: Simplify right side
    1,203,402.15x = 1,697,434,563,451.91
  5. Step 5: Solve for x
    x = 1,697,434,563,451.91/1,203,402.15
  6. Step 6: Final answer
    x = 1,410,529.77

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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.