Home / 726,785.31-1,001,924.37-511,256.46

Finding the Fourth Proportional to 726,785.31, 1,001,924.37 and 511,256.46

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Solution

The fourth proportional to 726,785.31, 1,001,924.37 and 511,256.46 is: 704,802.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,785.31 : 1,001,924.37 = 511,256.46 : x
  2. Step 2: Convert to fraction form
    726,785.31/1,001,924.37 = 511,256.46/x
  3. Step 3: Cross multiply
    726,785.31x = 1,001,924.37 × 511,256.46
  4. Step 4: Simplify right side
    726,785.31x = 512,240,306,593.93
  5. Step 5: Solve for x
    x = 512,240,306,593.93/726,785.31
  6. Step 6: Final answer
    x = 704,802.78

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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.