Home / 1,412,977.56-1,949,960.43-809,482.20

Finding the Fourth Proportional to 1,412,977.56, 1,949,960.43 and 809,482.20

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Solution

The fourth proportional to 1,412,977.56, 1,949,960.43 and 809,482.20 is: 1,117,114.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,977.56 : 1,949,960.43 = 809,482.20 : x
  2. Step 2: Convert to fraction form
    1,412,977.56/1,949,960.43 = 809,482.20/x
  3. Step 3: Cross multiply
    1,412,977.56x = 1,949,960.43 × 809,482.20
  4. Step 4: Simplify right side
    1,412,977.56x = 1,578,458,258,789.35
  5. Step 5: Solve for x
    x = 1,578,458,258,789.35/1,412,977.56
  6. Step 6: Final answer
    x = 1,117,114.88

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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.