Home / 681,273.06-940,111.83-409,179.27

Finding the Fourth Proportional to 681,273.06, 940,111.83 and 409,179.27

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Solution

The fourth proportional to 681,273.06, 940,111.83 and 409,179.27 is: 564,640.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,273.06 : 940,111.83 = 409,179.27 : x
  2. Step 2: Convert to fraction form
    681,273.06/940,111.83 = 409,179.27/x
  3. Step 3: Cross multiply
    681,273.06x = 940,111.83 × 409,179.27
  4. Step 4: Simplify right side
    681,273.06x = 384,674,272,317.76
  5. Step 5: Solve for x
    x = 384,674,272,317.76/681,273.06
  6. Step 6: Final answer
    x = 564,640.37

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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.