Home / 923,514-1,274,661.48-541,663.80

Finding the Fourth Proportional to 923,514, 1,274,661.48 and 541,663.80

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Solution

The fourth proportional to 923,514, 1,274,661.48 and 541,663.80 is: 747,620.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,514 : 1,274,661.48 = 541,663.80 : x
  2. Step 2: Convert to fraction form
    923,514/1,274,661.48 = 541,663.80/x
  3. Step 3: Cross multiply
    923,514x = 1,274,661.48 × 541,663.80
  4. Step 4: Simplify right side
    923,514x = 690,437,980,970.42
  5. Step 5: Solve for x
    x = 690,437,980,970.42/923,514
  6. Step 6: Final answer
    x = 747,620.48

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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.