Home / 1,769,679-2,654,528.22-439,983

Finding the Fourth Proportional to 1,769,679, 2,654,528.22 and 439,983

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Solution

The fourth proportional to 1,769,679, 2,654,528.22 and 439,983 is: 659,976.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,679 : 2,654,528.22 = 439,983 : x
  2. Step 2: Convert to fraction form
    1,769,679/2,654,528.22 = 439,983/x
  3. Step 3: Cross multiply
    1,769,679x = 2,654,528.22 × 439,983
  4. Step 4: Simplify right side
    1,769,679x = 1,167,947,289,820.26
  5. Step 5: Solve for x
    x = 1,167,947,289,820.26/1,769,679
  6. Step 6: Final answer
    x = 659,976.92

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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.