Home / 1,586,447.40-2,378,796.30-638,747.40

Finding the Fourth Proportional to 1,586,447.40, 2,378,796.30 and 638,747.40

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Solution

The fourth proportional to 1,586,447.40, 2,378,796.30 and 638,747.40 is: 957,768.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,447.40 : 2,378,796.30 = 638,747.40 : x
  2. Step 2: Convert to fraction form
    1,586,447.40/2,378,796.30 = 638,747.40/x
  3. Step 3: Cross multiply
    1,586,447.40x = 2,378,796.30 × 638,747.40
  4. Step 4: Simplify right side
    1,586,447.40x = 1,519,449,951,754.62
  5. Step 5: Solve for x
    x = 1,519,449,951,754.62/1,586,447.40
  6. Step 6: Final answer
    x = 957,768.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.