Home / 1,131,861.20-1,697,793.01-290,412.95

Finding the Fourth Proportional to 1,131,861.20, 1,697,793.01 and 290,412.95

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Solution

The fourth proportional to 1,131,861.20, 1,697,793.01 and 290,412.95 is: 435,619.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,861.20 : 1,697,793.01 = 290,412.95 : x
  2. Step 2: Convert to fraction form
    1,131,861.20/1,697,793.01 = 290,412.95/x
  3. Step 3: Cross multiply
    1,131,861.20x = 1,697,793.01 × 290,412.95
  4. Step 4: Simplify right side
    1,131,861.20x = 493,061,067,308.48
  5. Step 5: Solve for x
    x = 493,061,067,308.48/1,131,861.20
  6. Step 6: Final answer
    x = 435,619.73

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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.