Home / 957,922.26-1,321,864.98-528,193.20

Finding the Fourth Proportional to 957,922.26, 1,321,864.98 and 528,193.20

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Solution

The fourth proportional to 957,922.26, 1,321,864.98 and 528,193.20 is: 728,869.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,922.26 : 1,321,864.98 = 528,193.20 : x
  2. Step 2: Convert to fraction form
    957,922.26/1,321,864.98 = 528,193.20/x
  3. Step 3: Cross multiply
    957,922.26x = 1,321,864.98 × 528,193.20
  4. Step 4: Simplify right side
    957,922.26x = 698,200,093,754.14
  5. Step 5: Solve for x
    x = 698,200,093,754.14/957,922.26
  6. Step 6: Final answer
    x = 728,869.27

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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.