Home / 746,656.14-1,120,040.37-214,172.94

Finding the Fourth Proportional to 746,656.14, 1,120,040.37 and 214,172.94

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Solution

The fourth proportional to 746,656.14, 1,120,040.37 and 214,172.94 is: 321,275.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,656.14 : 1,120,040.37 = 214,172.94 : x
  2. Step 2: Convert to fraction form
    746,656.14/1,120,040.37 = 214,172.94/x
  3. Step 3: Cross multiply
    746,656.14x = 1,120,040.37 × 214,172.94
  4. Step 4: Simplify right side
    746,656.14x = 239,882,338,961.59
  5. Step 5: Solve for x
    x = 239,882,338,961.59/746,656.14
  6. Step 6: Final answer
    x = 321,275.52

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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.