Home / 681,274.06-940,113.21-409,180.27

Finding the Fourth Proportional to 681,274.06, 940,113.21 and 409,180.27

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Solution

The fourth proportional to 681,274.06, 940,113.21 and 409,180.27 is: 564,641.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,274.06 : 940,113.21 = 409,180.27 : x
  2. Step 2: Convert to fraction form
    681,274.06/940,113.21 = 409,180.27/x
  3. Step 3: Cross multiply
    681,274.06x = 940,113.21 × 409,180.27
  4. Step 4: Simplify right side
    681,274.06x = 384,675,777,098.37
  5. Step 5: Solve for x
    x = 384,675,777,098.37/681,274.06
  6. Step 6: Final answer
    x = 564,641.75

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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.