Home / 968,942.73-1,335,755.21-681,570.93

Finding the Fourth Proportional to 968,942.73, 1,335,755.21 and 681,570.93

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Solution

The fourth proportional to 968,942.73, 1,335,755.21 and 681,570.93 is: 939,593.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,942.73 : 1,335,755.21 = 681,570.93 : x
  2. Step 2: Convert to fraction form
    968,942.73/1,335,755.21 = 681,570.93/x
  3. Step 3: Cross multiply
    968,942.73x = 1,335,755.21 × 681,570.93
  4. Step 4: Simplify right side
    968,942.73x = 910,411,917,324.19
  5. Step 5: Solve for x
    x = 910,411,917,324.19/968,942.73
  6. Step 6: Final answer
    x = 939,593.11

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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.