Home / 681,346.03-940,049.38-394,810.75

Finding the Fourth Proportional to 681,346.03, 940,049.38 and 394,810.75

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Solution

The fourth proportional to 681,346.03, 940,049.38 and 394,810.75 is: 544,718.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,346.03 : 940,049.38 = 394,810.75 : x
  2. Step 2: Convert to fraction form
    681,346.03/940,049.38 = 394,810.75/x
  3. Step 3: Cross multiply
    681,346.03x = 940,049.38 × 394,810.75
  4. Step 4: Simplify right side
    681,346.03x = 371,141,600,754.84
  5. Step 5: Solve for x
    x = 371,141,600,754.84/681,346.03
  6. Step 6: Final answer
    x = 544,718.23

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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.