Home / 1,585,531.26-2,188,002.78-897,190.53

Finding the Fourth Proportional to 1,585,531.26, 2,188,002.78 and 897,190.53

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Solution

The fourth proportional to 1,585,531.26, 2,188,002.78 and 897,190.53 is: 1,238,105.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,531.26 : 2,188,002.78 = 897,190.53 : x
  2. Step 2: Convert to fraction form
    1,585,531.26/2,188,002.78 = 897,190.53/x
  3. Step 3: Cross multiply
    1,585,531.26x = 2,188,002.78 × 897,190.53
  4. Step 4: Simplify right side
    1,585,531.26x = 1,963,055,365,624.66
  5. Step 5: Solve for x
    x = 1,963,055,365,624.66/1,585,531.26
  6. Step 6: Final answer
    x = 1,238,105.75

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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.