Home / 679,529.98-1,019,295.20-199,757.77

Finding the Fourth Proportional to 679,529.98, 1,019,295.20 and 199,757.77

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Solution

The fourth proportional to 679,529.98, 1,019,295.20 and 199,757.77 is: 299,636.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,529.98 : 1,019,295.20 = 199,757.77 : x
  2. Step 2: Convert to fraction form
    679,529.98/1,019,295.20 = 199,757.77/x
  3. Step 3: Cross multiply
    679,529.98x = 1,019,295.20 × 199,757.77
  4. Step 4: Simplify right side
    679,529.98x = 203,612,130,028.44
  5. Step 5: Solve for x
    x = 203,612,130,028.44/679,529.98
  6. Step 6: Final answer
    x = 299,636.72

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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.