Home / 952,151.40-1,313,993.09-522,431.42

Finding the Fourth Proportional to 952,151.40, 1,313,993.09 and 522,431.42

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Solution

The fourth proportional to 952,151.40, 1,313,993.09 and 522,431.42 is: 720,968.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,151.40 : 1,313,993.09 = 522,431.42 : x
  2. Step 2: Convert to fraction form
    952,151.40/1,313,993.09 = 522,431.42/x
  3. Step 3: Cross multiply
    952,151.40x = 1,313,993.09 × 522,431.42
  4. Step 4: Simplify right side
    952,151.40x = 686,471,270,615.00
  5. Step 5: Solve for x
    x = 686,471,270,615.00/952,151.40
  6. Step 6: Final answer
    x = 720,968.61

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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.