Home / 957,915.80-1,321,933.02-528,211.16

Finding the Fourth Proportional to 957,915.80, 1,321,933.02 and 528,211.16

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Solution

The fourth proportional to 957,915.80, 1,321,933.02 and 528,211.16 is: 728,936.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,915.80 : 1,321,933.02 = 528,211.16 : x
  2. Step 2: Convert to fraction form
    957,915.80/1,321,933.02 = 528,211.16/x
  3. Step 3: Cross multiply
    957,915.80x = 1,321,933.02 × 528,211.16
  4. Step 4: Simplify right side
    957,915.80x = 698,259,773,936.50
  5. Step 5: Solve for x
    x = 698,259,773,936.50/957,915.80
  6. Step 6: Final answer
    x = 728,936.48

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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.