Home / 1,410,043-1,945,861.77-806,431

Finding the Fourth Proportional to 1,410,043, 1,945,861.77 and 806,431

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Solution

The fourth proportional to 1,410,043, 1,945,861.77 and 806,431 is: 1,112,876.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,043 : 1,945,861.77 = 806,431 : x
  2. Step 2: Convert to fraction form
    1,410,043/1,945,861.77 = 806,431/x
  3. Step 3: Cross multiply
    1,410,043x = 1,945,861.77 × 806,431
  4. Step 4: Simplify right side
    1,410,043x = 1,569,203,253,042.87
  5. Step 5: Solve for x
    x = 1,569,203,253,042.87/1,410,043
  6. Step 6: Final answer
    x = 1,112,876.17

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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.