Home / 1,265,128.56-1,745,902.62-692,181.03

Finding the Fourth Proportional to 1,265,128.56, 1,745,902.62 and 692,181.03

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Solution

The fourth proportional to 1,265,128.56, 1,745,902.62 and 692,181.03 is: 955,223.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,128.56 : 1,745,902.62 = 692,181.03 : x
  2. Step 2: Convert to fraction form
    1,265,128.56/1,745,902.62 = 692,181.03/x
  3. Step 3: Cross multiply
    1,265,128.56x = 1,745,902.62 × 692,181.03
  4. Step 4: Simplify right side
    1,265,128.56x = 1,208,480,673,791.30
  5. Step 5: Solve for x
    x = 1,208,480,673,791.30/1,265,128.56
  6. Step 6: Final answer
    x = 955,223.61

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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.