Home / 382,549.62-527,916.96-212,783.76

Finding the Fourth Proportional to 382,549.62, 527,916.96 and 212,783.76

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Solution

The fourth proportional to 382,549.62, 527,916.96 and 212,783.76 is: 293,640.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,549.62 : 527,916.96 = 212,783.76 : x
  2. Step 2: Convert to fraction form
    382,549.62/527,916.96 = 212,783.76/x
  3. Step 3: Cross multiply
    382,549.62x = 527,916.96 × 212,783.76
  4. Step 4: Simplify right side
    382,549.62x = 112,332,155,716.57
  5. Step 5: Solve for x
    x = 112,332,155,716.57/382,549.62
  6. Step 6: Final answer
    x = 293,640.75

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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.