Home / 722,231.29-1,083,344.32-216,790.07

Finding the Fourth Proportional to 722,231.29, 1,083,344.32 and 216,790.07

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Solution

The fourth proportional to 722,231.29, 1,083,344.32 and 216,790.07 is: 325,184.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,231.29 : 1,083,344.32 = 216,790.07 : x
  2. Step 2: Convert to fraction form
    722,231.29/1,083,344.32 = 216,790.07/x
  3. Step 3: Cross multiply
    722,231.29x = 1,083,344.32 × 216,790.07
  4. Step 4: Simplify right side
    722,231.29x = 234,858,291,914.98
  5. Step 5: Solve for x
    x = 234,858,291,914.98/722,231.29
  6. Step 6: Final answer
    x = 325,184.32

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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.