Home / 1,332,927.88-1,838,129.82-1,222,285.12

Finding the Fourth Proportional to 1,332,927.88, 1,838,129.82 and 1,222,285.12

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Solution

The fourth proportional to 1,332,927.88, 1,838,129.82 and 1,222,285.12 is: 1,685,551.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,927.88 : 1,838,129.82 = 1,222,285.12 : x
  2. Step 2: Convert to fraction form
    1,332,927.88/1,838,129.82 = 1,222,285.12/x
  3. Step 3: Cross multiply
    1,332,927.88x = 1,838,129.82 × 1,222,285.12
  4. Step 4: Simplify right side
    1,332,927.88x = 2,246,718,727,614.28
  5. Step 5: Solve for x
    x = 2,246,718,727,614.28/1,332,927.88
  6. Step 6: Final answer
    x = 1,685,551.61

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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.