Home / 382,039.90-527,184.19-220,905.39

Finding the Fourth Proportional to 382,039.90, 527,184.19 and 220,905.39

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Solution

The fourth proportional to 382,039.90, 527,184.19 and 220,905.39 is: 304,831.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,039.90 : 527,184.19 = 220,905.39 : x
  2. Step 2: Convert to fraction form
    382,039.90/527,184.19 = 220,905.39/x
  3. Step 3: Cross multiply
    382,039.90x = 527,184.19 × 220,905.39
  4. Step 4: Simplify right side
    382,039.90x = 116,457,829,093.78
  5. Step 5: Solve for x
    x = 116,457,829,093.78/382,039.90
  6. Step 6: Final answer
    x = 304,831.59

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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.