Home / 681,832.32-940,890.24-375,898.56

Finding the Fourth Proportional to 681,832.32, 940,890.24 and 375,898.56

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Solution

The fourth proportional to 681,832.32, 940,890.24 and 375,898.56 is: 518,718.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,832.32 : 940,890.24 = 375,898.56 : x
  2. Step 2: Convert to fraction form
    681,832.32/940,890.24 = 375,898.56/x
  3. Step 3: Cross multiply
    681,832.32x = 940,890.24 × 375,898.56
  4. Step 4: Simplify right side
    681,832.32x = 353,679,286,334.05
  5. Step 5: Solve for x
    x = 353,679,286,334.05/681,832.32
  6. Step 6: Final answer
    x = 518,718.86

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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.