Home / 382,061.94-527,257.33-209,976.77

Finding the Fourth Proportional to 382,061.94, 527,257.33 and 209,976.77

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Solution

The fourth proportional to 382,061.94, 527,257.33 and 209,976.77 is: 289,774.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,061.94 : 527,257.33 = 209,976.77 : x
  2. Step 2: Convert to fraction form
    382,061.94/527,257.33 = 209,976.77/x
  3. Step 3: Cross multiply
    382,061.94x = 527,257.33 × 209,976.77
  4. Step 4: Simplify right side
    382,061.94x = 110,711,791,112.22
  5. Step 5: Solve for x
    x = 110,711,791,112.22/382,061.94
  6. Step 6: Final answer
    x = 289,774.46

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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.