Home / 681,240.66-940,112.37-394,926.72

Finding the Fourth Proportional to 681,240.66, 940,112.37 and 394,926.72

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Solution

The fourth proportional to 681,240.66, 940,112.37 and 394,926.72 is: 544,999.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,240.66 : 940,112.37 = 394,926.72 : x
  2. Step 2: Convert to fraction form
    681,240.66/940,112.37 = 394,926.72/x
  3. Step 3: Cross multiply
    681,240.66x = 940,112.37 × 394,926.72
  4. Step 4: Simplify right side
    681,240.66x = 371,275,494,715.53
  5. Step 5: Solve for x
    x = 371,275,494,715.53/681,240.66
  6. Step 6: Final answer
    x = 544,999.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.