Home / 723,076.48-1,084,912-318,060.16

Finding the Fourth Proportional to 723,076.48, 1,084,912 and 318,060.16

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Solution

The fourth proportional to 723,076.48, 1,084,912 and 318,060.16 is: 477,221.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,076.48 : 1,084,912 = 318,060.16 : x
  2. Step 2: Convert to fraction form
    723,076.48/1,084,912 = 318,060.16/x
  3. Step 3: Cross multiply
    723,076.48x = 1,084,912 × 318,060.16
  4. Step 4: Simplify right side
    723,076.48x = 345,067,284,305.92
  5. Step 5: Solve for x
    x = 345,067,284,305.92/723,076.48
  6. Step 6: Final answer
    x = 477,221.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.