Home / 3,259,000.20-4,888,500.30-863,214.60

Finding the Fourth Proportional to 3,259,000.20, 4,888,500.30 and 863,214.60

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Solution

The fourth proportional to 3,259,000.20, 4,888,500.30 and 863,214.60 is: 1,294,821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259,000.20 : 4,888,500.30 = 863,214.60 : x
  2. Step 2: Convert to fraction form
    3,259,000.20/4,888,500.30 = 863,214.60/x
  3. Step 3: Cross multiply
    3,259,000.20x = 4,888,500.30 × 863,214.60
  4. Step 4: Simplify right side
    3,259,000.20x = 4,219,824,831,064.38
  5. Step 5: Solve for x
    x = 4,219,824,831,064.38/3,259,000.20
  6. Step 6: Final answer
    x = 1,294,821.90

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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.