Home / 952,978.89-1,315,101.78-523,255.26

Finding the Fourth Proportional to 952,978.89, 1,315,101.78 and 523,255.26

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Solution

The fourth proportional to 952,978.89, 1,315,101.78 and 523,255.26 is: 722,087.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,978.89 : 1,315,101.78 = 523,255.26 : x
  2. Step 2: Convert to fraction form
    952,978.89/1,315,101.78 = 523,255.26/x
  3. Step 3: Cross multiply
    952,978.89x = 1,315,101.78 × 523,255.26
  4. Step 4: Simplify right side
    952,978.89x = 688,133,923,820.36
  5. Step 5: Solve for x
    x = 688,133,923,820.36/952,978.89
  6. Step 6: Final answer
    x = 722,087.27

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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.