Home / 957,745.08-1,321,697.39-528,040.62

Finding the Fourth Proportional to 957,745.08, 1,321,697.39 and 528,040.62

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Solution

The fourth proportional to 957,745.08, 1,321,697.39 and 528,040.62 is: 728,701.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,745.08 : 1,321,697.39 = 528,040.62 : x
  2. Step 2: Convert to fraction form
    957,745.08/1,321,697.39 = 528,040.62/x
  3. Step 3: Cross multiply
    957,745.08x = 1,321,697.39 × 528,040.62
  4. Step 4: Simplify right side
    957,745.08x = 697,909,906,627.78
  5. Step 5: Solve for x
    x = 697,909,906,627.78/957,745.08
  6. Step 6: Final answer
    x = 728,701.11

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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.