Home / 1,301,100.83-1,796,621.39-817,821.66

Finding the Fourth Proportional to 1,301,100.83, 1,796,621.39 and 817,821.66

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Solution

The fourth proportional to 1,301,100.83, 1,796,621.39 and 817,821.66 is: 1,129,286.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,100.83 : 1,796,621.39 = 817,821.66 : x
  2. Step 2: Convert to fraction form
    1,301,100.83/1,796,621.39 = 817,821.66/x
  3. Step 3: Cross multiply
    1,301,100.83x = 1,796,621.39 × 817,821.66
  4. Step 4: Simplify right side
    1,301,100.83x = 1,469,315,887,561.31
  5. Step 5: Solve for x
    x = 1,469,315,887,561.31/1,301,100.83
  6. Step 6: Final answer
    x = 1,129,286.72

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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.