Home / 617,890.82-926,878.34-197,198.42

Finding the Fourth Proportional to 617,890.82, 926,878.34 and 197,198.42

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Solution

The fourth proportional to 617,890.82, 926,878.34 and 197,198.42 is: 295,811.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,890.82 : 926,878.34 = 197,198.42 : x
  2. Step 2: Convert to fraction form
    617,890.82/926,878.34 = 197,198.42/x
  3. Step 3: Cross multiply
    617,890.82x = 926,878.34 × 197,198.42
  4. Step 4: Simplify right side
    617,890.82x = 182,778,940,038.83
  5. Step 5: Solve for x
    x = 182,778,940,038.83/617,890.82
  6. Step 6: Final answer
    x = 295,811.06

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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.