Home / 382,039.62-527,204.25-212,269.38

Finding the Fourth Proportional to 382,039.62, 527,204.25 and 212,269.38

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Solution

The fourth proportional to 382,039.62, 527,204.25 and 212,269.38 is: 292,925.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,039.62 : 527,204.25 = 212,269.38 : x
  2. Step 2: Convert to fraction form
    382,039.62/527,204.25 = 212,269.38/x
  3. Step 3: Cross multiply
    382,039.62x = 527,204.25 × 212,269.38
  4. Step 4: Simplify right side
    382,039.62x = 111,909,319,280.87
  5. Step 5: Solve for x
    x = 111,909,319,280.87/382,039.62
  6. Step 6: Final answer
    x = 292,925.95

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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.