Home / 1,693,049.75-2,539,567.65-613,309.48

Finding the Fourth Proportional to 1,693,049.75, 2,539,567.65 and 613,309.48

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Solution

The fourth proportional to 1,693,049.75, 2,539,567.65 and 613,309.48 is: 919,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,049.75 : 2,539,567.65 = 613,309.48 : x
  2. Step 2: Convert to fraction form
    1,693,049.75/2,539,567.65 = 613,309.48/x
  3. Step 3: Cross multiply
    1,693,049.75x = 2,539,567.65 × 613,309.48
  4. Step 4: Simplify right side
    1,693,049.75x = 1,557,540,918,128.69
  5. Step 5: Solve for x
    x = 1,557,540,918,128.69/1,693,049.75
  6. Step 6: Final answer
    x = 919,961.70

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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.