Home / 681,829.44-940,930.92-375,916.62

Finding the Fourth Proportional to 681,829.44, 940,930.92 and 375,916.62

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Solution

The fourth proportional to 681,829.44, 940,930.92 and 375,916.62 is: 518,768.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,829.44 : 940,930.92 = 375,916.62 : x
  2. Step 2: Convert to fraction form
    681,829.44/940,930.92 = 375,916.62/x
  3. Step 3: Cross multiply
    681,829.44x = 940,930.92 × 375,916.62
  4. Step 4: Simplify right side
    681,829.44x = 353,711,571,099.89
  5. Step 5: Solve for x
    x = 353,711,571,099.89/681,829.44
  6. Step 6: Final answer
    x = 518,768.41

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1.5x scale

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.