Home / 1,296,206.20-1,944,309.30-1,172,203.30

Finding the Fourth Proportional to 1,296,206.20, 1,944,309.30 and 1,172,203.30

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Solution

The fourth proportional to 1,296,206.20, 1,944,309.30 and 1,172,203.30 is: 1,758,304.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,206.20 : 1,944,309.30 = 1,172,203.30 : x
  2. Step 2: Convert to fraction form
    1,296,206.20/1,944,309.30 = 1,172,203.30/x
  3. Step 3: Cross multiply
    1,296,206.20x = 1,944,309.30 × 1,172,203.30
  4. Step 4: Simplify right side
    1,296,206.20x = 2,279,125,777,680.69
  5. Step 5: Solve for x
    x = 2,279,125,777,680.69/1,296,206.20
  6. Step 6: Final answer
    x = 1,758,304.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.