Home / 381,684.20-572,526.30-329,196.20

Finding the Fourth Proportional to 381,684.20, 572,526.30 and 329,196.20

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Solution

The fourth proportional to 381,684.20, 572,526.30 and 329,196.20 is: 493,794.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,684.20 : 572,526.30 = 329,196.20 : x
  2. Step 2: Convert to fraction form
    381,684.20/572,526.30 = 329,196.20/x
  3. Step 3: Cross multiply
    381,684.20x = 572,526.30 × 329,196.20
  4. Step 4: Simplify right side
    381,684.20x = 188,473,482,360.06
  5. Step 5: Solve for x
    x = 188,473,482,360.06/381,684.20
  6. Step 6: Final answer
    x = 493,794.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.