Home / 589,275.20-883,912.80-215,249.60

Finding the Fourth Proportional to 589,275.20, 883,912.80 and 215,249.60

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Solution

The fourth proportional to 589,275.20, 883,912.80 and 215,249.60 is: 322,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,275.20 : 883,912.80 = 215,249.60 : x
  2. Step 2: Convert to fraction form
    589,275.20/883,912.80 = 215,249.60/x
  3. Step 3: Cross multiply
    589,275.20x = 883,912.80 × 215,249.60
  4. Step 4: Simplify right side
    589,275.20x = 190,261,876,634.88
  5. Step 5: Solve for x
    x = 190,261,876,634.88/589,275.20
  6. Step 6: Final answer
    x = 322,874.40

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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.