Home / 1,117,577.56-1,542,553.52-688,217.44

Finding the Fourth Proportional to 1,117,577.56, 1,542,553.52 and 688,217.44

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Solution

The fourth proportional to 1,117,577.56, 1,542,553.52 and 688,217.44 is: 949,922.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,577.56 : 1,542,553.52 = 688,217.44 : x
  2. Step 2: Convert to fraction form
    1,117,577.56/1,542,553.52 = 688,217.44/x
  3. Step 3: Cross multiply
    1,117,577.56x = 1,542,553.52 × 688,217.44
  4. Step 4: Simplify right side
    1,117,577.56x = 1,061,612,234,597.39
  5. Step 5: Solve for x
    x = 1,061,612,234,597.39/1,117,577.56
  6. Step 6: Final answer
    x = 949,922.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.