Home / 1,255,066.62-1,731,991.94-682,108.16

Finding the Fourth Proportional to 1,255,066.62, 1,731,991.94 and 682,108.16

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Solution

The fourth proportional to 1,255,066.62, 1,731,991.94 and 682,108.16 is: 941,309.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,066.62 : 1,731,991.94 = 682,108.16 : x
  2. Step 2: Convert to fraction form
    1,255,066.62/1,731,991.94 = 682,108.16/x
  3. Step 3: Cross multiply
    1,255,066.62x = 1,731,991.94 × 682,108.16
  4. Step 4: Simplify right side
    1,255,066.62x = 1,181,405,835,328.23
  5. Step 5: Solve for x
    x = 1,181,405,835,328.23/1,255,066.62
  6. Step 6: Final answer
    x = 941,309.26

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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.