Home / 830,438.92-1,245,658.33-199,352.73

Finding the Fourth Proportional to 830,438.92, 1,245,658.33 and 199,352.73

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Solution

The fourth proportional to 830,438.92, 1,245,658.33 and 199,352.73 is: 299,029.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,438.92 : 1,245,658.33 = 199,352.73 : x
  2. Step 2: Convert to fraction form
    830,438.92/1,245,658.33 = 199,352.73/x
  3. Step 3: Cross multiply
    830,438.92x = 1,245,658.33 × 199,352.73
  4. Step 4: Simplify right side
    830,438.92x = 248,325,393,653.15
  5. Step 5: Solve for x
    x = 248,325,393,653.15/830,438.92
  6. Step 6: Final answer
    x = 299,029.09

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1.5x scale

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.