Home / 1,405,996.68-1,940,784.89-922,718.28

Finding the Fourth Proportional to 1,405,996.68, 1,940,784.89 and 922,718.28

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Solution

The fourth proportional to 1,405,996.68, 1,940,784.89 and 922,718.28 is: 1,273,685.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,996.68 : 1,940,784.89 = 922,718.28 : x
  2. Step 2: Convert to fraction form
    1,405,996.68/1,940,784.89 = 922,718.28/x
  3. Step 3: Cross multiply
    1,405,996.68x = 1,940,784.89 × 922,718.28
  4. Step 4: Simplify right side
    1,405,996.68x = 1,790,797,695,550.79
  5. Step 5: Solve for x
    x = 1,790,797,695,550.79/1,405,996.68
  6. Step 6: Final answer
    x = 1,273,685.58

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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.