Home / 1,219,014.19-1,682,139.77-695,722.23

Finding the Fourth Proportional to 1,219,014.19, 1,682,139.77 and 695,722.23

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Solution

The fourth proportional to 1,219,014.19, 1,682,139.77 and 695,722.23 is: 960,039.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,014.19 : 1,682,139.77 = 695,722.23 : x
  2. Step 2: Convert to fraction form
    1,219,014.19/1,682,139.77 = 695,722.23/x
  3. Step 3: Cross multiply
    1,219,014.19x = 1,682,139.77 × 695,722.23
  4. Step 4: Simplify right side
    1,219,014.19x = 1,170,302,031,086.43
  5. Step 5: Solve for x
    x = 1,170,302,031,086.43/1,219,014.19
  6. Step 6: Final answer
    x = 960,039.71

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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.