Home / 968,928.48-1,335,735.56-681,556.68

Finding the Fourth Proportional to 968,928.48, 1,335,735.56 and 681,556.68

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Solution

The fourth proportional to 968,928.48, 1,335,735.56 and 681,556.68 is: 939,573.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,928.48 : 1,335,735.56 = 681,556.68 : x
  2. Step 2: Convert to fraction form
    968,928.48/1,335,735.56 = 681,556.68/x
  3. Step 3: Cross multiply
    968,928.48x = 1,335,735.56 × 681,556.68
  4. Step 4: Simplify right side
    968,928.48x = 910,379,495,335.43
  5. Step 5: Solve for x
    x = 910,379,495,335.43/968,928.48
  6. Step 6: Final answer
    x = 939,573.47

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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.