Home / 591,640.20-887,460.30-165,175.20

Finding the Fourth Proportional to 591,640.20, 887,460.30 and 165,175.20

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Solution

The fourth proportional to 591,640.20, 887,460.30 and 165,175.20 is: 247,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,640.20 : 887,460.30 = 165,175.20 : x
  2. Step 2: Convert to fraction form
    591,640.20/887,460.30 = 165,175.20/x
  3. Step 3: Cross multiply
    591,640.20x = 887,460.30 × 165,175.20
  4. Step 4: Simplify right side
    591,640.20x = 146,586,432,544.56
  5. Step 5: Solve for x
    x = 146,586,432,544.56/591,640.20
  6. Step 6: Final answer
    x = 247,762.80

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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.