Home / 681,824.93-940,709.88-395,287.83

Finding the Fourth Proportional to 681,824.93, 940,709.88 and 395,287.83

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Solution

The fourth proportional to 681,824.93, 940,709.88 and 395,287.83 is: 545,376.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,824.93 : 940,709.88 = 395,287.83 : x
  2. Step 2: Convert to fraction form
    681,824.93/940,709.88 = 395,287.83/x
  3. Step 3: Cross multiply
    681,824.93x = 940,709.88 × 395,287.83
  4. Step 4: Simplify right side
    681,824.93x = 371,851,167,124.76
  5. Step 5: Solve for x
    x = 371,851,167,124.76/681,824.93
  6. Step 6: Final answer
    x = 545,376.32

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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.