Home / 681,834.16-940,540.98-426,742.48

Finding the Fourth Proportional to 681,834.16, 940,540.98 and 426,742.48

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Solution

The fourth proportional to 681,834.16, 940,540.98 and 426,742.48 is: 588,660.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,834.16 : 940,540.98 = 426,742.48 : x
  2. Step 2: Convert to fraction form
    681,834.16/940,540.98 = 426,742.48/x
  3. Step 3: Cross multiply
    681,834.16x = 940,540.98 × 426,742.48
  4. Step 4: Simplify right side
    681,834.16x = 401,368,790,346.83
  5. Step 5: Solve for x
    x = 401,368,790,346.83/681,834.16
  6. Step 6: Final answer
    x = 588,660.43

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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.