Home / 726,821.52-1,090,146.42-194,383.82

Finding the Fourth Proportional to 726,821.52, 1,090,146.42 and 194,383.82

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Solution

The fourth proportional to 726,821.52, 1,090,146.42 and 194,383.82 is: 291,552.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,821.52 : 1,090,146.42 = 194,383.82 : x
  2. Step 2: Convert to fraction form
    726,821.52/1,090,146.42 = 194,383.82/x
  3. Step 3: Cross multiply
    726,821.52x = 1,090,146.42 × 194,383.82
  4. Step 4: Simplify right side
    726,821.52x = 211,906,820,028.19
  5. Step 5: Solve for x
    x = 211,906,820,028.19/726,821.52
  6. Step 6: Final answer
    x = 291,552.76

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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.