Home / 670,133.22-1,005,324.34-220,885.62

Finding the Fourth Proportional to 670,133.22, 1,005,324.34 and 220,885.62

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Solution

The fourth proportional to 670,133.22, 1,005,324.34 and 220,885.62 is: 331,369.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,133.22 : 1,005,324.34 = 220,885.62 : x
  2. Step 2: Convert to fraction form
    670,133.22/1,005,324.34 = 220,885.62/x
  3. Step 3: Cross multiply
    670,133.22x = 1,005,324.34 × 220,885.62
  4. Step 4: Simplify right side
    670,133.22x = 222,061,690,141.99
  5. Step 5: Solve for x
    x = 222,061,690,141.99/670,133.22
  6. Step 6: Final answer
    x = 331,369.47

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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.