Home / 957,893.80-1,321,902.68-528,189.16

Finding the Fourth Proportional to 957,893.80, 1,321,902.68 and 528,189.16

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Solution

The fourth proportional to 957,893.80, 1,321,902.68 and 528,189.16 is: 728,906.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,893.80 : 1,321,902.68 = 528,189.16 : x
  2. Step 2: Convert to fraction form
    957,893.80/1,321,902.68 = 528,189.16/x
  3. Step 3: Cross multiply
    957,893.80x = 1,321,902.68 × 528,189.16
  4. Step 4: Simplify right side
    957,893.80x = 698,214,666,150.95
  5. Step 5: Solve for x
    x = 698,214,666,150.95/957,893.80
  6. Step 6: Final answer
    x = 728,906.13

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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.