Home / 1,777,700.25-2,667,066.78-640,440.81

Finding the Fourth Proportional to 1,777,700.25, 2,667,066.78 and 640,440.81

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Solution

The fourth proportional to 1,777,700.25, 2,667,066.78 and 640,440.81 is: 960,847.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,700.25 : 2,667,066.78 = 640,440.81 : x
  2. Step 2: Convert to fraction form
    1,777,700.25/2,667,066.78 = 640,440.81/x
  3. Step 3: Cross multiply
    1,777,700.25x = 2,667,066.78 × 640,440.81
  4. Step 4: Simplify right side
    1,777,700.25x = 1,708,098,408,907.29
  5. Step 5: Solve for x
    x = 1,708,098,408,907.29/1,777,700.25
  6. Step 6: Final answer
    x = 960,847.26

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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.