Home / 1,345,668.08-2,016,217.17-812,067.89

Finding the Fourth Proportional to 1,345,668.08, 2,016,217.17 and 812,067.89

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Solution

The fourth proportional to 1,345,668.08, 2,016,217.17 and 812,067.89 is: 1,216,722.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,668.08 : 2,016,217.17 = 812,067.89 : x
  2. Step 2: Convert to fraction form
    1,345,668.08/2,016,217.17 = 812,067.89/x
  3. Step 3: Cross multiply
    1,345,668.08x = 2,016,217.17 × 812,067.89
  4. Step 4: Simplify right side
    1,345,668.08x = 1,637,305,223,023.67
  5. Step 5: Solve for x
    x = 1,637,305,223,023.67/1,345,668.08
  6. Step 6: Final answer
    x = 1,216,722.94

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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.