Home / 893,584.93-1,233,155.43-485,687.69

Finding the Fourth Proportional to 893,584.93, 1,233,155.43 and 485,687.69

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Solution

The fourth proportional to 893,584.93, 1,233,155.43 and 485,687.69 is: 670,253.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,584.93 : 1,233,155.43 = 485,687.69 : x
  2. Step 2: Convert to fraction form
    893,584.93/1,233,155.43 = 485,687.69/x
  3. Step 3: Cross multiply
    893,584.93x = 1,233,155.43 × 485,687.69
  4. Step 4: Simplify right side
    893,584.93x = 598,928,412,207.66
  5. Step 5: Solve for x
    x = 598,928,412,207.66/893,584.93
  6. Step 6: Final answer
    x = 670,253.48

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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.