Home / 1,361,693.40-2,042,540.10-415,062.60

Finding the Fourth Proportional to 1,361,693.40, 2,042,540.10 and 415,062.60

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Solution

The fourth proportional to 1,361,693.40, 2,042,540.10 and 415,062.60 is: 622,593.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,693.40 : 2,042,540.10 = 415,062.60 : x
  2. Step 2: Convert to fraction form
    1,361,693.40/2,042,540.10 = 415,062.60/x
  3. Step 3: Cross multiply
    1,361,693.40x = 2,042,540.10 × 415,062.60
  4. Step 4: Simplify right side
    1,361,693.40x = 847,782,004,510.26
  5. Step 5: Solve for x
    x = 847,782,004,510.26/1,361,693.40
  6. Step 6: Final answer
    x = 622,593.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.