Home / 1,633,915.53-2,253,883.07-980,372.50

Finding the Fourth Proportional to 1,633,915.53, 2,253,883.07 and 980,372.50

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Solution

The fourth proportional to 1,633,915.53, 2,253,883.07 and 980,372.50 is: 1,352,361.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633,915.53 : 2,253,883.07 = 980,372.50 : x
  2. Step 2: Convert to fraction form
    1,633,915.53/2,253,883.07 = 980,372.50/x
  3. Step 3: Cross multiply
    1,633,915.53x = 2,253,883.07 × 980,372.50
  4. Step 4: Simplify right side
    1,633,915.53x = 2,209,644,976,859.80
  5. Step 5: Solve for x
    x = 2,209,644,976,859.80/1,633,915.53
  6. Step 6: Final answer
    x = 1,352,361.82

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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.