Home / 1,777,982.68-2,666,342.58-640,439.56

Finding the Fourth Proportional to 1,777,982.68, 2,666,342.58 and 640,439.56

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Solution

The fourth proportional to 1,777,982.68, 2,666,342.58 and 640,439.56 is: 960,431.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,982.68 : 2,666,342.58 = 640,439.56 : x
  2. Step 2: Convert to fraction form
    1,777,982.68/2,666,342.58 = 640,439.56/x
  3. Step 3: Cross multiply
    1,777,982.68x = 2,666,342.58 × 640,439.56
  4. Step 4: Simplify right side
    1,777,982.68x = 1,707,631,268,744.47
  5. Step 5: Solve for x
    x = 1,707,631,268,744.47/1,777,982.68
  6. Step 6: Final answer
    x = 960,431.89

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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.