Home / 635,624.20-953,433.42-215,190.28

Finding the Fourth Proportional to 635,624.20, 953,433.42 and 215,190.28

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Solution

The fourth proportional to 635,624.20, 953,433.42 and 215,190.28 is: 322,784.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,624.20 : 953,433.42 = 215,190.28 : x
  2. Step 2: Convert to fraction form
    635,624.20/953,433.42 = 215,190.28/x
  3. Step 3: Cross multiply
    635,624.20x = 953,433.42 × 215,190.28
  4. Step 4: Simplify right side
    635,624.20x = 205,169,604,611.16
  5. Step 5: Solve for x
    x = 205,169,604,611.16/635,624.20
  6. Step 6: Final answer
    x = 322,784.44

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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.