Home / 1,410,039-1,945,856.25-806,427

Finding the Fourth Proportional to 1,410,039, 1,945,856.25 and 806,427

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Solution

The fourth proportional to 1,410,039, 1,945,856.25 and 806,427 is: 1,112,870.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,039 : 1,945,856.25 = 806,427 : x
  2. Step 2: Convert to fraction form
    1,410,039/1,945,856.25 = 806,427/x
  3. Step 3: Cross multiply
    1,410,039x = 1,945,856.25 × 806,427
  4. Step 4: Simplify right side
    1,410,039x = 1,569,191,018,118.75
  5. Step 5: Solve for x
    x = 1,569,191,018,118.75/1,410,039
  6. Step 6: Final answer
    x = 1,112,870.65

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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.