Home / 1,243,181.20-1,715,741.82-699,339.92

Finding the Fourth Proportional to 1,243,181.20, 1,715,741.82 and 699,339.92

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Solution

The fourth proportional to 1,243,181.20, 1,715,741.82 and 699,339.92 is: 965,174.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,181.20 : 1,715,741.82 = 699,339.92 : x
  2. Step 2: Convert to fraction form
    1,243,181.20/1,715,741.82 = 699,339.92/x
  3. Step 3: Cross multiply
    1,243,181.20x = 1,715,741.82 × 699,339.92
  4. Step 4: Simplify right side
    1,243,181.20x = 1,199,886,747,139.45
  5. Step 5: Solve for x
    x = 1,199,886,747,139.45/1,243,181.20
  6. Step 6: Final answer
    x = 965,174.46

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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.