Home / 404,778.20-607,556.10-205,323.80

Finding the Fourth Proportional to 404,778.20, 607,556.10 and 205,323.80

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Solution

The fourth proportional to 404,778.20, 607,556.10 and 205,323.80 is: 308,182.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,778.20 : 607,556.10 = 205,323.80 : x
  2. Step 2: Convert to fraction form
    404,778.20/607,556.10 = 205,323.80/x
  3. Step 3: Cross multiply
    404,778.20x = 607,556.10 × 205,323.80
  4. Step 4: Simplify right side
    404,778.20x = 124,745,727,165.18
  5. Step 5: Solve for x
    x = 124,745,727,165.18/404,778.20
  6. Step 6: Final answer
    x = 308,182.92

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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.