Home / 382,310.04-527,527.98-221,152.44

Finding the Fourth Proportional to 382,310.04, 527,527.98 and 221,152.44

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Solution

The fourth proportional to 382,310.04, 527,527.98 and 221,152.44 is: 305,155.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,310.04 : 527,527.98 = 221,152.44 : x
  2. Step 2: Convert to fraction form
    382,310.04/527,527.98 = 221,152.44/x
  3. Step 3: Cross multiply
    382,310.04x = 527,527.98 × 221,152.44
  4. Step 4: Simplify right side
    382,310.04x = 116,664,099,945.27
  5. Step 5: Solve for x
    x = 116,664,099,945.27/382,310.04
  6. Step 6: Final answer
    x = 305,155.73

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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.