Home / 1,296,079.12-1,944,118.68-409,546

Finding the Fourth Proportional to 1,296,079.12, 1,944,118.68 and 409,546

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Solution

The fourth proportional to 1,296,079.12, 1,944,118.68 and 409,546 is: 614,319

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,079.12 : 1,944,118.68 = 409,546 : x
  2. Step 2: Convert to fraction form
    1,296,079.12/1,944,118.68 = 409,546/x
  3. Step 3: Cross multiply
    1,296,079.12x = 1,944,118.68 × 409,546
  4. Step 4: Simplify right side
    1,296,079.12x = 796,206,028,919.28
  5. Step 5: Solve for x
    x = 796,206,028,919.28/1,296,079.12
  6. Step 6: Final answer
    x = 614,319

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Similar ratio
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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.