Home / 727,355.22-1,090,525.74-322,326.90

Finding the Fourth Proportional to 727,355.22, 1,090,525.74 and 322,326.90

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Solution

The fourth proportional to 727,355.22, 1,090,525.74 and 322,326.90 is: 483,265.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,355.22 : 1,090,525.74 = 322,326.90 : x
  2. Step 2: Convert to fraction form
    727,355.22/1,090,525.74 = 322,326.90/x
  3. Step 3: Cross multiply
    727,355.22x = 1,090,525.74 × 322,326.90
  4. Step 4: Simplify right side
    727,355.22x = 351,505,781,144.41
  5. Step 5: Solve for x
    x = 351,505,781,144.41/727,355.22
  6. Step 6: Final answer
    x = 483,265.63

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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.