Home / 923,292.88-1,274,168.40-515,393.04

Finding the Fourth Proportional to 923,292.88, 1,274,168.40 and 515,393.04

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Solution

The fourth proportional to 923,292.88, 1,274,168.40 and 515,393.04 is: 711,255.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,292.88 : 1,274,168.40 = 515,393.04 : x
  2. Step 2: Convert to fraction form
    923,292.88/1,274,168.40 = 515,393.04/x
  3. Step 3: Cross multiply
    923,292.88x = 1,274,168.40 × 515,393.04
  4. Step 4: Simplify right side
    923,292.88x = 656,697,525,147.94
  5. Step 5: Solve for x
    x = 656,697,525,147.94/923,292.88
  6. Step 6: Final answer
    x = 711,255.92

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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.