Home / 1,181,213.20-1,771,819.80-433,550.80

Finding the Fourth Proportional to 1,181,213.20, 1,771,819.80 and 433,550.80

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Solution

The fourth proportional to 1,181,213.20, 1,771,819.80 and 433,550.80 is: 650,326.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,213.20 : 1,771,819.80 = 433,550.80 : x
  2. Step 2: Convert to fraction form
    1,181,213.20/1,771,819.80 = 433,550.80/x
  3. Step 3: Cross multiply
    1,181,213.20x = 1,771,819.80 × 433,550.80
  4. Step 4: Simplify right side
    1,181,213.20x = 768,173,891,745.84
  5. Step 5: Solve for x
    x = 768,173,891,745.84/1,181,213.20
  6. Step 6: Final answer
    x = 650,326.20

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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.