Home / 1,405,995.68-1,940,783.51-922,717.28

Finding the Fourth Proportional to 1,405,995.68, 1,940,783.51 and 922,717.28

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Solution

The fourth proportional to 1,405,995.68, 1,940,783.51 and 922,717.28 is: 1,273,684.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,995.68 : 1,940,783.51 = 922,717.28 : x
  2. Step 2: Convert to fraction form
    1,405,995.68/1,940,783.51 = 922,717.28/x
  3. Step 3: Cross multiply
    1,405,995.68x = 1,940,783.51 × 922,717.28
  4. Step 4: Simplify right side
    1,405,995.68x = 1,790,794,481,416.05
  5. Step 5: Solve for x
    x = 1,790,794,481,416.05/1,405,995.68
  6. Step 6: Final answer
    x = 1,273,684.20

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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.