Home / 1,199,142.81-1,654,911.45-682,918.56

Finding the Fourth Proportional to 1,199,142.81, 1,654,911.45 and 682,918.56

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Solution

The fourth proportional to 1,199,142.81, 1,654,911.45 and 682,918.56 is: 942,481.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,142.81 : 1,654,911.45 = 682,918.56 : x
  2. Step 2: Convert to fraction form
    1,199,142.81/1,654,911.45 = 682,918.56/x
  3. Step 3: Cross multiply
    1,199,142.81x = 1,654,911.45 × 682,918.56
  4. Step 4: Simplify right side
    1,199,142.81x = 1,130,169,744,361.51
  5. Step 5: Solve for x
    x = 1,130,169,744,361.51/1,199,142.81
  6. Step 6: Final answer
    x = 942,481.36

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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.