Home / 1,173,147.56-1,619,677.38-806,256.68

Finding the Fourth Proportional to 1,173,147.56, 1,619,677.38 and 806,256.68

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Solution

The fourth proportional to 1,173,147.56, 1,619,677.38 and 806,256.68 is: 1,113,138.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,147.56 : 1,619,677.38 = 806,256.68 : x
  2. Step 2: Convert to fraction form
    1,173,147.56/1,619,677.38 = 806,256.68/x
  3. Step 3: Cross multiply
    1,173,147.56x = 1,619,677.38 × 806,256.68
  4. Step 4: Simplify right side
    1,173,147.56x = 1,305,875,707,069.90
  5. Step 5: Solve for x
    x = 1,305,875,707,069.90/1,173,147.56
  6. Step 6: Final answer
    x = 1,113,138.49

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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.