Home / 539,096.20-808,644.30-329,144.20

Finding the Fourth Proportional to 539,096.20, 808,644.30 and 329,144.20

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Solution

The fourth proportional to 539,096.20, 808,644.30 and 329,144.20 is: 493,716.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,096.20 : 808,644.30 = 329,144.20 : x
  2. Step 2: Convert to fraction form
    539,096.20/808,644.30 = 329,144.20/x
  3. Step 3: Cross multiply
    539,096.20x = 808,644.30 × 329,144.20
  4. Step 4: Simplify right side
    539,096.20x = 266,160,581,208.06
  5. Step 5: Solve for x
    x = 266,160,581,208.06/539,096.20
  6. Step 6: Final answer
    x = 493,716.30

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Half scale
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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.