Home / 1,777,699.25-2,667,065.28-640,439.81

Finding the Fourth Proportional to 1,777,699.25, 2,667,065.28 and 640,439.81

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Solution

The fourth proportional to 1,777,699.25, 2,667,065.28 and 640,439.81 is: 960,845.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,699.25 : 2,667,065.28 = 640,439.81 : x
  2. Step 2: Convert to fraction form
    1,777,699.25/2,667,065.28 = 640,439.81/x
  3. Step 3: Cross multiply
    1,777,699.25x = 2,667,065.28 × 640,439.81
  4. Step 4: Simplify right side
    1,777,699.25x = 1,708,094,781,180.80
  5. Step 5: Solve for x
    x = 1,708,094,781,180.80/1,777,699.25
  6. Step 6: Final answer
    x = 960,845.76

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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.