Home / 589,280.20-883,920.30-215,254.60

Finding the Fourth Proportional to 589,280.20, 883,920.30 and 215,254.60

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Solution

The fourth proportional to 589,280.20, 883,920.30 and 215,254.60 is: 322,881.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,280.20 : 883,920.30 = 215,254.60 : x
  2. Step 2: Convert to fraction form
    589,280.20/883,920.30 = 215,254.60/x
  3. Step 3: Cross multiply
    589,280.20x = 883,920.30 × 215,254.60
  4. Step 4: Simplify right side
    589,280.20x = 190,267,910,608.38
  5. Step 5: Solve for x
    x = 190,267,910,608.38/589,280.20
  6. Step 6: Final answer
    x = 322,881.90

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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.