Home / 725,118.66-1,088,046.54-325,677.96

Finding the Fourth Proportional to 725,118.66, 1,088,046.54 and 325,677.96

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Solution

The fourth proportional to 725,118.66, 1,088,046.54 and 325,677.96 is: 488,682.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,118.66 : 1,088,046.54 = 325,677.96 : x
  2. Step 2: Convert to fraction form
    725,118.66/1,088,046.54 = 325,677.96/x
  3. Step 3: Cross multiply
    725,118.66x = 1,088,046.54 × 325,677.96
  4. Step 4: Simplify right side
    725,118.66x = 354,352,777,532.26
  5. Step 5: Solve for x
    x = 354,352,777,532.26/725,118.66
  6. Step 6: Final answer
    x = 488,682.47

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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.