Home / 726,821.56-1,090,146.47-194,383.85

Finding the Fourth Proportional to 726,821.56, 1,090,146.47 and 194,383.85

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Solution

The fourth proportional to 726,821.56, 1,090,146.47 and 194,383.85 is: 291,552.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,821.56 : 1,090,146.47 = 194,383.85 : x
  2. Step 2: Convert to fraction form
    726,821.56/1,090,146.47 = 194,383.85/x
  3. Step 3: Cross multiply
    726,821.56x = 1,090,146.47 × 194,383.85
  4. Step 4: Simplify right side
    726,821.56x = 211,906,867,902.51
  5. Step 5: Solve for x
    x = 211,906,867,902.51/726,821.56
  6. Step 6: Final answer
    x = 291,552.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.