Home / 923,859.78-1,274,962.84-531,392.02

Finding the Fourth Proportional to 923,859.78, 1,274,962.84 and 531,392.02

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Solution

The fourth proportional to 923,859.78, 1,274,962.84 and 531,392.02 is: 733,341.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,859.78 : 1,274,962.84 = 531,392.02 : x
  2. Step 2: Convert to fraction form
    923,859.78/1,274,962.84 = 531,392.02/x
  3. Step 3: Cross multiply
    923,859.78x = 1,274,962.84 × 531,392.02
  4. Step 4: Simplify right side
    923,859.78x = 677,505,078,972.54
  5. Step 5: Solve for x
    x = 677,505,078,972.54/923,859.78
  6. Step 6: Final answer
    x = 733,341.89

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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.