Home / 1,191,062.24-1,643,676.30-647,198.03

Finding the Fourth Proportional to 1,191,062.24, 1,643,676.30 and 647,198.03

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Solution

The fourth proportional to 1,191,062.24, 1,643,676.30 and 647,198.03 is: 893,138.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,062.24 : 1,643,676.30 = 647,198.03 : x
  2. Step 2: Convert to fraction form
    1,191,062.24/1,643,676.30 = 647,198.03/x
  3. Step 3: Cross multiply
    1,191,062.24x = 1,643,676.30 × 647,198.03
  4. Step 4: Simplify right side
    1,191,062.24x = 1,063,784,056,717.30
  5. Step 5: Solve for x
    x = 1,063,784,056,717.30/1,191,062.24
  6. Step 6: Final answer
    x = 893,138.93

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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.