Home / 1,243,273.25-1,715,699.98-699,408.88

Finding the Fourth Proportional to 1,243,273.25, 1,715,699.98 and 699,408.88

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Solution

The fourth proportional to 1,243,273.25, 1,715,699.98 and 699,408.88 is: 965,174.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,273.25 : 1,715,699.98 = 699,408.88 : x
  2. Step 2: Convert to fraction form
    1,243,273.25/1,715,699.98 = 699,408.88/x
  3. Step 3: Cross multiply
    1,243,273.25x = 1,715,699.98 × 699,408.88
  4. Step 4: Simplify right side
    1,243,273.25x = 1,199,975,798,012.83
  5. Step 5: Solve for x
    x = 1,199,975,798,012.83/1,243,273.25
  6. Step 6: Final answer
    x = 965,174.63

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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.