Home / 539,584.20-809,376.30-329,632.20

Finding the Fourth Proportional to 539,584.20, 809,376.30 and 329,632.20

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Solution

The fourth proportional to 539,584.20, 809,376.30 and 329,632.20 is: 494,448.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,584.20 : 809,376.30 = 329,632.20 : x
  2. Step 2: Convert to fraction form
    539,584.20/809,376.30 = 329,632.20/x
  3. Step 3: Cross multiply
    539,584.20x = 809,376.30 × 329,632.20
  4. Step 4: Simplify right side
    539,584.20x = 266,796,490,396.86
  5. Step 5: Solve for x
    x = 266,796,490,396.86/539,584.20
  6. Step 6: Final answer
    x = 494,448.30

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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.