Home / 1,272,811-1,756,434.22-699,847.16

Finding the Fourth Proportional to 1,272,811, 1,756,434.22 and 699,847.16

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Solution

The fourth proportional to 1,272,811, 1,756,434.22 and 699,847.16 is: 965,764.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,811 : 1,756,434.22 = 699,847.16 : x
  2. Step 2: Convert to fraction form
    1,272,811/1,756,434.22 = 699,847.16/x
  3. Step 3: Cross multiply
    1,272,811x = 1,756,434.22 × 699,847.16
  4. Step 4: Simplify right side
    1,272,811x = 1,229,235,500,593.82
  5. Step 5: Solve for x
    x = 1,229,235,500,593.82/1,272,811
  6. Step 6: Final answer
    x = 965,764.36

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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.