Home / 802,562.55-1,106,629.34-511,785.51

Finding the Fourth Proportional to 802,562.55, 1,106,629.34 and 511,785.51

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Solution

The fourth proportional to 802,562.55, 1,106,629.34 and 511,785.51 is: 705,685.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,562.55 : 1,106,629.34 = 511,785.51 : x
  2. Step 2: Convert to fraction form
    802,562.55/1,106,629.34 = 511,785.51/x
  3. Step 3: Cross multiply
    802,562.55x = 1,106,629.34 × 511,785.51
  4. Step 4: Simplify right side
    802,562.55x = 566,356,858,593.94
  5. Step 5: Solve for x
    x = 566,356,858,593.94/802,562.55
  6. Step 6: Final answer
    x = 705,685.63

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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.