Home / 481,990.91-722,987.37-197,629.07

Finding the Fourth Proportional to 481,990.91, 722,987.37 and 197,629.07

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Solution

The fourth proportional to 481,990.91, 722,987.37 and 197,629.07 is: 296,444.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,990.91 : 722,987.37 = 197,629.07 : x
  2. Step 2: Convert to fraction form
    481,990.91/722,987.37 = 197,629.07/x
  3. Step 3: Cross multiply
    481,990.91x = 722,987.37 × 197,629.07
  4. Step 4: Simplify right side
    481,990.91x = 142,883,317,939.91
  5. Step 5: Solve for x
    x = 142,883,317,939.91/481,990.91
  6. Step 6: Final answer
    x = 296,444.01

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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.