Home / 319,024.98-478,704.33-206,676.36

Finding the Fourth Proportional to 319,024.98, 478,704.33 and 206,676.36

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Solution

The fourth proportional to 319,024.98, 478,704.33 and 206,676.36 is: 310,122.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,024.98 : 478,704.33 = 206,676.36 : x
  2. Step 2: Convert to fraction form
    319,024.98/478,704.33 = 206,676.36/x
  3. Step 3: Cross multiply
    319,024.98x = 478,704.33 × 206,676.36
  4. Step 4: Simplify right side
    319,024.98x = 98,936,868,440.64
  5. Step 5: Solve for x
    x = 98,936,868,440.64/319,024.98
  6. Step 6: Final answer
    x = 310,122.64

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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.