Home / 1,173,146.56-1,619,676-806,255.68

Finding the Fourth Proportional to 1,173,146.56, 1,619,676 and 806,255.68

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Solution

The fourth proportional to 1,173,146.56, 1,619,676 and 806,255.68 is: 1,113,137.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,146.56 : 1,619,676 = 806,255.68 : x
  2. Step 2: Convert to fraction form
    1,173,146.56/1,619,676 = 806,255.68/x
  3. Step 3: Cross multiply
    1,173,146.56x = 1,619,676 × 806,255.68
  4. Step 4: Simplify right side
    1,173,146.56x = 1,305,872,974,759.68
  5. Step 5: Solve for x
    x = 1,305,872,974,759.68/1,173,146.56
  6. Step 6: Final answer
    x = 1,113,137.11

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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.