Home / 681,736.66-940,799.54-375,806.46

Finding the Fourth Proportional to 681,736.66, 940,799.54 and 375,806.46

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Solution

The fourth proportional to 681,736.66, 940,799.54 and 375,806.46 is: 518,614.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,736.66 : 940,799.54 = 375,806.46 : x
  2. Step 2: Convert to fraction form
    681,736.66/940,799.54 = 375,806.46/x
  3. Step 3: Cross multiply
    681,736.66x = 940,799.54 × 375,806.46
  4. Step 4: Simplify right side
    681,736.66x = 353,558,544,697.03
  5. Step 5: Solve for x
    x = 353,558,544,697.03/681,736.66
  6. Step 6: Final answer
    x = 518,614.54

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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.