Home / 984,934.20-1,477,449.90-512,542.20

Finding the Fourth Proportional to 984,934.20, 1,477,449.90 and 512,542.20

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Solution

The fourth proportional to 984,934.20, 1,477,449.90 and 512,542.20 is: 768,838.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,934.20 : 1,477,449.90 = 512,542.20 : x
  2. Step 2: Convert to fraction form
    984,934.20/1,477,449.90 = 512,542.20/x
  3. Step 3: Cross multiply
    984,934.20x = 1,477,449.90 × 512,542.20
  4. Step 4: Simplify right side
    984,934.20x = 757,255,422,135.78
  5. Step 5: Solve for x
    x = 757,255,422,135.78/984,934.20
  6. Step 6: Final answer
    x = 768,838.59

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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.