Home / 1,191,196.98-1,644,234.93-762,631.38

Finding the Fourth Proportional to 1,191,196.98, 1,644,234.93 and 762,631.38

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Solution

The fourth proportional to 1,191,196.98, 1,644,234.93 and 762,631.38 is: 1,052,676.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,196.98 : 1,644,234.93 = 762,631.38 : x
  2. Step 2: Convert to fraction form
    1,191,196.98/1,644,234.93 = 762,631.38/x
  3. Step 3: Cross multiply
    1,191,196.98x = 1,644,234.93 × 762,631.38
  4. Step 4: Simplify right side
    1,191,196.98x = 1,253,945,153,710.10
  5. Step 5: Solve for x
    x = 1,253,945,153,710.10/1,191,196.98
  6. Step 6: Final answer
    x = 1,052,676.57

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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.