Home / 681,034.37-939,833.75-375,111.86

Finding the Fourth Proportional to 681,034.37, 939,833.75 and 375,111.86

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Solution

The fourth proportional to 681,034.37, 939,833.75 and 375,111.86 is: 517,657.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,034.37 : 939,833.75 = 375,111.86 : x
  2. Step 2: Convert to fraction form
    681,034.37/939,833.75 = 375,111.86/x
  3. Step 3: Cross multiply
    681,034.37x = 939,833.75 × 375,111.86
  4. Step 4: Simplify right side
    681,034.37x = 352,542,782,291.89
  5. Step 5: Solve for x
    x = 352,542,782,291.89/681,034.37
  6. Step 6: Final answer
    x = 517,657.85

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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.