Home / 394,009.05-591,064.65-180,725.52

Finding the Fourth Proportional to 394,009.05, 591,064.65 and 180,725.52

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Solution

The fourth proportional to 394,009.05, 591,064.65 and 180,725.52 is: 271,111.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,009.05 : 591,064.65 = 180,725.52 : x
  2. Step 2: Convert to fraction form
    394,009.05/591,064.65 = 180,725.52/x
  3. Step 3: Cross multiply
    394,009.05x = 591,064.65 × 180,725.52
  4. Step 4: Simplify right side
    394,009.05x = 106,820,466,224.87
  5. Step 5: Solve for x
    x = 106,820,466,224.87/394,009.05
  6. Step 6: Final answer
    x = 271,111.71

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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.