Home / 1,412,956-1,949,930.58-809,460.64

Finding the Fourth Proportional to 1,412,956, 1,949,930.58 and 809,460.64

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Solution

The fourth proportional to 1,412,956, 1,949,930.58 and 809,460.64 is: 1,117,085.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,956 : 1,949,930.58 = 809,460.64 : x
  2. Step 2: Convert to fraction form
    1,412,956/1,949,930.58 = 809,460.64/x
  3. Step 3: Cross multiply
    1,412,956x = 1,949,930.58 × 809,460.64
  4. Step 4: Simplify right side
    1,412,956x = 1,578,392,055,242.37
  5. Step 5: Solve for x
    x = 1,578,392,055,242.37/1,412,956
  6. Step 6: Final answer
    x = 1,117,085.07

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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.