Home / 589,105.20-883,657.80-215,079.60

Finding the Fourth Proportional to 589,105.20, 883,657.80 and 215,079.60

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Solution

The fourth proportional to 589,105.20, 883,657.80 and 215,079.60 is: 322,619.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,105.20 : 883,657.80 = 215,079.60 : x
  2. Step 2: Convert to fraction form
    589,105.20/883,657.80 = 215,079.60/x
  3. Step 3: Cross multiply
    589,105.20x = 883,657.80 × 215,079.60
  4. Step 4: Simplify right side
    589,105.20x = 190,056,766,160.88
  5. Step 5: Solve for x
    x = 190,056,766,160.88/589,105.20
  6. Step 6: Final answer
    x = 322,619.40

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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.