Home / 1,191,036.96-1,643,610.69-647,181.09

Finding the Fourth Proportional to 1,191,036.96, 1,643,610.69 and 647,181.09

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Solution

The fourth proportional to 1,191,036.96, 1,643,610.69 and 647,181.09 is: 893,098.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,036.96 : 1,643,610.69 = 647,181.09 : x
  2. Step 2: Convert to fraction form
    1,191,036.96/1,643,610.69 = 647,181.09/x
  3. Step 3: Cross multiply
    1,191,036.96x = 1,643,610.69 × 647,181.09
  4. Step 4: Simplify right side
    1,191,036.96x = 1,063,713,757,889.85
  5. Step 5: Solve for x
    x = 1,063,713,757,889.85/1,191,036.96
  6. Step 6: Final answer
    x = 893,098.87

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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.