Home / 827,770.49-1,241,393.29-354,328.73

Finding the Fourth Proportional to 827,770.49, 1,241,393.29 and 354,328.73

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Solution

The fourth proportional to 827,770.49, 1,241,393.29 and 354,328.73 is: 531,380.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,770.49 : 1,241,393.29 = 354,328.73 : x
  2. Step 2: Convert to fraction form
    827,770.49/1,241,393.29 = 354,328.73/x
  3. Step 3: Cross multiply
    827,770.49x = 1,241,393.29 × 354,328.73
  4. Step 4: Simplify right side
    827,770.49x = 439,861,307,876.22
  5. Step 5: Solve for x
    x = 439,861,307,876.22/827,770.49
  6. Step 6: Final answer
    x = 531,380.75

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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.