Home / 1,173,921.85-1,619,259.42-806,221.54

Finding the Fourth Proportional to 1,173,921.85, 1,619,259.42 and 806,221.54

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Solution

The fourth proportional to 1,173,921.85, 1,619,259.42 and 806,221.54 is: 1,112,068.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,921.85 : 1,619,259.42 = 806,221.54 : x
  2. Step 2: Convert to fraction form
    1,173,921.85/1,619,259.42 = 806,221.54/x
  3. Step 3: Cross multiply
    1,173,921.85x = 1,619,259.42 × 806,221.54
  4. Step 4: Simplify right side
    1,173,921.85x = 1,305,481,823,251.91
  5. Step 5: Solve for x
    x = 1,305,481,823,251.91/1,173,921.85
  6. Step 6: Final answer
    x = 1,112,068.77

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1.5x scale

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.