Home / 548,035.28-821,963.27-192,965.84

Finding the Fourth Proportional to 548,035.28, 821,963.27 and 192,965.84

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Solution

The fourth proportional to 548,035.28, 821,963.27 and 192,965.84 is: 289,417.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,035.28 : 821,963.27 = 192,965.84 : x
  2. Step 2: Convert to fraction form
    548,035.28/821,963.27 = 192,965.84/x
  3. Step 3: Cross multiply
    548,035.28x = 821,963.27 × 192,965.84
  4. Step 4: Simplify right side
    548,035.28x = 158,610,827,770.05
  5. Step 5: Solve for x
    x = 158,610,827,770.05/548,035.28
  6. Step 6: Final answer
    x = 289,417.19

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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.