Home / 681,736.38-940,800.87-379,949.82

Finding the Fourth Proportional to 681,736.38, 940,800.87 and 379,949.82

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Solution

The fourth proportional to 681,736.38, 940,800.87 and 379,949.82 is: 524,333.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,736.38 : 940,800.87 = 379,949.82 : x
  2. Step 2: Convert to fraction form
    681,736.38/940,800.87 = 379,949.82/x
  3. Step 3: Cross multiply
    681,736.38x = 940,800.87 × 379,949.82
  4. Step 4: Simplify right side
    681,736.38x = 357,457,121,212.34
  5. Step 5: Solve for x
    x = 357,457,121,212.34/681,736.38
  6. Step 6: Final answer
    x = 524,333.35

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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.