Home / 883,930.80-1,325,896.20-322,892.40

Finding the Fourth Proportional to 883,930.80, 1,325,896.20 and 322,892.40

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Solution

The fourth proportional to 883,930.80, 1,325,896.20 and 322,892.40 is: 484,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,930.80 : 1,325,896.20 = 322,892.40 : x
  2. Step 2: Convert to fraction form
    883,930.80/1,325,896.20 = 322,892.40/x
  3. Step 3: Cross multiply
    883,930.80x = 1,325,896.20 × 322,892.40
  4. Step 4: Simplify right side
    883,930.80x = 428,121,806,168.88
  5. Step 5: Solve for x
    x = 428,121,806,168.88/883,930.80
  6. Step 6: Final answer
    x = 484,338.60

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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.