Home / 654,934.20-982,919.70-255,766.20

Finding the Fourth Proportional to 654,934.20, 982,919.70 and 255,766.20

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Solution

The fourth proportional to 654,934.20, 982,919.70 and 255,766.20 is: 383,851.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,934.20 : 982,919.70 = 255,766.20 : x
  2. Step 2: Convert to fraction form
    654,934.20/982,919.70 = 255,766.20/x
  3. Step 3: Cross multiply
    654,934.20x = 982,919.70 × 255,766.20
  4. Step 4: Simplify right side
    654,934.20x = 251,397,636,574.14
  5. Step 5: Solve for x
    x = 251,397,636,574.14/654,934.20
  6. Step 6: Final answer
    x = 383,851.75

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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.