Home / 871,584.16-1,202,837.52-656,344.48

Finding the Fourth Proportional to 871,584.16, 1,202,837.52 and 656,344.48

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Solution

The fourth proportional to 871,584.16, 1,202,837.52 and 656,344.48 is: 905,794.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,584.16 : 1,202,837.52 = 656,344.48 : x
  2. Step 2: Convert to fraction form
    871,584.16/1,202,837.52 = 656,344.48/x
  3. Step 3: Cross multiply
    871,584.16x = 1,202,837.52 × 656,344.48
  4. Step 4: Simplify right side
    871,584.16x = 789,475,766,588.89
  5. Step 5: Solve for x
    x = 789,475,766,588.89/871,584.16
  6. Step 6: Final answer
    x = 905,794.07

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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.