Home / 725,119.66-1,088,048.04-325,678.96

Finding the Fourth Proportional to 725,119.66, 1,088,048.04 and 325,678.96

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Solution

The fourth proportional to 725,119.66, 1,088,048.04 and 325,678.96 is: 488,683.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,119.66 : 1,088,048.04 = 325,678.96 : x
  2. Step 2: Convert to fraction form
    725,119.66/1,088,048.04 = 325,678.96/x
  3. Step 3: Cross multiply
    725,119.66x = 1,088,048.04 × 325,678.96
  4. Step 4: Simplify right side
    725,119.66x = 354,354,354,097.24
  5. Step 5: Solve for x
    x = 354,354,354,097.24/725,119.66
  6. Step 6: Final answer
    x = 488,683.97

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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.