Home / 681,835.44-940,890.24-375,895.92

Finding the Fourth Proportional to 681,835.44, 940,890.24 and 375,895.92

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Solution

The fourth proportional to 681,835.44, 940,890.24 and 375,895.92 is: 518,712.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,835.44 : 940,890.24 = 375,895.92 : x
  2. Step 2: Convert to fraction form
    681,835.44/940,890.24 = 375,895.92/x
  3. Step 3: Cross multiply
    681,835.44x = 940,890.24 × 375,895.92
  4. Step 4: Simplify right side
    681,835.44x = 353,676,802,383.82
  5. Step 5: Solve for x
    x = 353,676,802,383.82/681,835.44
  6. Step 6: Final answer
    x = 518,712.85

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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.