Home / 404,766.20-607,538.10-205,311.80

Finding the Fourth Proportional to 404,766.20, 607,538.10 and 205,311.80

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Solution

The fourth proportional to 404,766.20, 607,538.10 and 205,311.80 is: 308,164.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,766.20 : 607,538.10 = 205,311.80 : x
  2. Step 2: Convert to fraction form
    404,766.20/607,538.10 = 205,311.80/x
  3. Step 3: Cross multiply
    404,766.20x = 607,538.10 × 205,311.80
  4. Step 4: Simplify right side
    404,766.20x = 124,734,740,879.58
  5. Step 5: Solve for x
    x = 124,734,740,879.58/404,766.20
  6. Step 6: Final answer
    x = 308,164.91

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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.