Home / 447,140.40-670,273.20-222,316.80

Finding the Fourth Proportional to 447,140.40, 670,273.20 and 222,316.80

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Solution

The fourth proportional to 447,140.40, 670,273.20 and 222,316.80 is: 333,257.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,140.40 : 670,273.20 = 222,316.80 : x
  2. Step 2: Convert to fraction form
    447,140.40/670,273.20 = 222,316.80/x
  3. Step 3: Cross multiply
    447,140.40x = 670,273.20 × 222,316.80
  4. Step 4: Simplify right side
    447,140.40x = 149,012,992,949.76
  5. Step 5: Solve for x
    x = 149,012,992,949.76/447,140.40
  6. Step 6: Final answer
    x = 333,257.73

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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.