Home / 1,272,507.27-1,756,093.57-699,561.87

Finding the Fourth Proportional to 1,272,507.27, 1,756,093.57 and 699,561.87

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Solution

The fourth proportional to 1,272,507.27, 1,756,093.57 and 699,561.87 is: 965,413.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,507.27 : 1,756,093.57 = 699,561.87 : x
  2. Step 2: Convert to fraction form
    1,272,507.27/1,756,093.57 = 699,561.87/x
  3. Step 3: Cross multiply
    1,272,507.27x = 1,756,093.57 × 699,561.87
  4. Step 4: Simplify right side
    1,272,507.27x = 1,228,496,093,389.92
  5. Step 5: Solve for x
    x = 1,228,496,093,389.92/1,272,507.27
  6. Step 6: Final answer
    x = 965,413.81

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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.