Home / 6,288,000.40-9,432,000.60-5,591,270.80

Finding the Fourth Proportional to 6,288,000.40, 9,432,000.60 and 5,591,270.80

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Solution

The fourth proportional to 6,288,000.40, 9,432,000.60 and 5,591,270.80 is: 8,386,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288,000.40 : 9,432,000.60 = 5,591,270.80 : x
  2. Step 2: Convert to fraction form
    6,288,000.40/9,432,000.60 = 5,591,270.80/x
  3. Step 3: Cross multiply
    6,288,000.40x = 9,432,000.60 × 5,591,270.80
  4. Step 4: Simplify right side
    6,288,000.40x = 52,736,869,540,362.48
  5. Step 5: Solve for x
    x = 52,736,869,540,362.48/6,288,000.40
  6. Step 6: Final answer
    x = 8,386,906.20

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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.