Home / 1,422,317.88-2,133,238.68-475,685.46

Finding the Fourth Proportional to 1,422,317.88, 2,133,238.68 and 475,685.46

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Solution

The fourth proportional to 1,422,317.88, 2,133,238.68 and 475,685.46 is: 713,448.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,317.88 : 2,133,238.68 = 475,685.46 : x
  2. Step 2: Convert to fraction form
    1,422,317.88/2,133,238.68 = 475,685.46/x
  3. Step 3: Cross multiply
    1,422,317.88x = 2,133,238.68 × 475,685.46
  4. Step 4: Simplify right side
    1,422,317.88x = 1,014,750,622,785.59
  5. Step 5: Solve for x
    x = 1,014,750,622,785.59/1,422,317.88
  6. Step 6: Final answer
    x = 713,448.55

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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.