Home / 382,035.69-527,178.42-220,901.18

Finding the Fourth Proportional to 382,035.69, 527,178.42 and 220,901.18

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Solution

The fourth proportional to 382,035.69, 527,178.42 and 220,901.18 is: 304,825.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,035.69 : 527,178.42 = 220,901.18 : x
  2. Step 2: Convert to fraction form
    382,035.69/527,178.42 = 220,901.18/x
  3. Step 3: Cross multiply
    382,035.69x = 527,178.42 × 220,901.18
  4. Step 4: Simplify right side
    382,035.69x = 116,454,332,412.64
  5. Step 5: Solve for x
    x = 116,454,332,412.64/382,035.69
  6. Step 6: Final answer
    x = 304,825.79

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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.