Home / 1,272,794.55-1,756,456.14-699,871.83

Finding the Fourth Proportional to 1,272,794.55, 1,756,456.14 and 699,871.83

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Solution

The fourth proportional to 1,272,794.55, 1,756,456.14 and 699,871.83 is: 965,822.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,794.55 : 1,756,456.14 = 699,871.83 : x
  2. Step 2: Convert to fraction form
    1,272,794.55/1,756,456.14 = 699,871.83/x
  3. Step 3: Cross multiply
    1,272,794.55x = 1,756,456.14 × 699,871.83
  4. Step 4: Simplify right side
    1,272,794.55x = 1,229,294,173,016.54
  5. Step 5: Solve for x
    x = 1,229,294,173,016.54/1,272,794.55
  6. Step 6: Final answer
    x = 965,822.94

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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.