Home / 681,442.20-940,391.57-409,514.27

Finding the Fourth Proportional to 681,442.20, 940,391.57 and 409,514.27

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Solution

The fourth proportional to 681,442.20, 940,391.57 and 409,514.27 is: 565,130.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,442.20 : 940,391.57 = 409,514.27 : x
  2. Step 2: Convert to fraction form
    681,442.20/940,391.57 = 409,514.27/x
  3. Step 3: Cross multiply
    681,442.20x = 940,391.57 × 409,514.27
  4. Step 4: Simplify right side
    681,442.20x = 385,103,763,624.53
  5. Step 5: Solve for x
    x = 385,103,763,624.53/681,442.20
  6. Step 6: Final answer
    x = 565,130.49

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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.