Home / 654,161.13-981,622.35-275,054.40

Finding the Fourth Proportional to 654,161.13, 981,622.35 and 275,054.40

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Solution

The fourth proportional to 654,161.13, 981,622.35 and 275,054.40 is: 412,741.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,161.13 : 981,622.35 = 275,054.40 : x
  2. Step 2: Convert to fraction form
    654,161.13/981,622.35 = 275,054.40/x
  3. Step 3: Cross multiply
    654,161.13x = 981,622.35 × 275,054.40
  4. Step 4: Simplify right side
    654,161.13x = 269,999,546,505.84
  5. Step 5: Solve for x
    x = 269,999,546,505.84/654,161.13
  6. Step 6: Final answer
    x = 412,741.65

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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.