Home / 410,933.20-616,246.20-285,902.80

Finding the Fourth Proportional to 410,933.20, 616,246.20 and 285,902.80

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Solution

The fourth proportional to 410,933.20, 616,246.20 and 285,902.80 is: 428,747.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,933.20 : 616,246.20 = 285,902.80 : x
  2. Step 2: Convert to fraction form
    410,933.20/616,246.20 = 285,902.80/x
  3. Step 3: Cross multiply
    410,933.20x = 616,246.20 × 285,902.80
  4. Step 4: Simplify right side
    410,933.20x = 176,186,514,069.36
  5. Step 5: Solve for x
    x = 176,186,514,069.36/410,933.20
  6. Step 6: Final answer
    x = 428,747.33

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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.