Home / 624,471.13-936,739.86-198,040.56

Finding the Fourth Proportional to 624,471.13, 936,739.86 and 198,040.56

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Solution

The fourth proportional to 624,471.13, 936,739.86 and 198,040.56 is: 297,071.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,471.13 : 936,739.86 = 198,040.56 : x
  2. Step 2: Convert to fraction form
    624,471.13/936,739.86 = 198,040.56/x
  3. Step 3: Cross multiply
    624,471.13x = 936,739.86 × 198,040.56
  4. Step 4: Simplify right side
    624,471.13x = 185,512,486,448.72
  5. Step 5: Solve for x
    x = 185,512,486,448.72/624,471.13
  6. Step 6: Final answer
    x = 297,071.36

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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.