Home / 1,151,883.75-1,589,402.75-668,338.05

Finding the Fourth Proportional to 1,151,883.75, 1,589,402.75 and 668,338.05

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Solution

The fourth proportional to 1,151,883.75, 1,589,402.75 and 668,338.05 is: 922,192.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,883.75 : 1,589,402.75 = 668,338.05 : x
  2. Step 2: Convert to fraction form
    1,151,883.75/1,589,402.75 = 668,338.05/x
  3. Step 3: Cross multiply
    1,151,883.75x = 1,589,402.75 × 668,338.05
  4. Step 4: Simplify right side
    1,151,883.75x = 1,062,258,331,257.95
  5. Step 5: Solve for x
    x = 1,062,258,331,257.95/1,151,883.75
  6. Step 6: Final answer
    x = 922,192.31

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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.