Home / 826,629.23-1,140,799.41-550,513.64

Finding the Fourth Proportional to 826,629.23, 1,140,799.41 and 550,513.64

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Solution

The fourth proportional to 826,629.23, 1,140,799.41 and 550,513.64 is: 759,742.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,629.23 : 1,140,799.41 = 550,513.64 : x
  2. Step 2: Convert to fraction form
    826,629.23/1,140,799.41 = 550,513.64/x
  3. Step 3: Cross multiply
    826,629.23x = 1,140,799.41 × 550,513.64
  4. Step 4: Simplify right side
    826,629.23x = 628,025,635,708.95
  5. Step 5: Solve for x
    x = 628,025,635,708.95/826,629.23
  6. Step 6: Final answer
    x = 759,742.84

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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.