Home / 434,028.20-651,042.30-266,066.60

Finding the Fourth Proportional to 434,028.20, 651,042.30 and 266,066.60

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Solution

The fourth proportional to 434,028.20, 651,042.30 and 266,066.60 is: 399,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,028.20 : 651,042.30 = 266,066.60 : x
  2. Step 2: Convert to fraction form
    434,028.20/651,042.30 = 266,066.60/x
  3. Step 3: Cross multiply
    434,028.20x = 651,042.30 × 266,066.60
  4. Step 4: Simplify right side
    434,028.20x = 173,220,611,217.18
  5. Step 5: Solve for x
    x = 173,220,611,217.18/434,028.20
  6. Step 6: Final answer
    x = 399,099.90

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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.