Home / 1,225,984.14-1,691,866.44-682,142.82

Finding the Fourth Proportional to 1,225,984.14, 1,691,866.44 and 682,142.82

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Solution

The fourth proportional to 1,225,984.14, 1,691,866.44 and 682,142.82 is: 941,361.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,984.14 : 1,691,866.44 = 682,142.82 : x
  2. Step 2: Convert to fraction form
    1,225,984.14/1,691,866.44 = 682,142.82/x
  3. Step 3: Cross multiply
    1,225,984.14x = 1,691,866.44 × 682,142.82
  4. Step 4: Simplify right side
    1,225,984.14x = 1,154,094,544,444.96
  5. Step 5: Solve for x
    x = 1,154,094,544,444.96/1,225,984.14
  6. Step 6: Final answer
    x = 941,361.72

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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.