Home / 1,055,168.87-1,582,739.13-256,448.12

Finding the Fourth Proportional to 1,055,168.87, 1,582,739.13 and 256,448.12

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Solution

The fourth proportional to 1,055,168.87, 1,582,739.13 and 256,448.12 is: 384,668.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,168.87 : 1,582,739.13 = 256,448.12 : x
  2. Step 2: Convert to fraction form
    1,055,168.87/1,582,739.13 = 256,448.12/x
  3. Step 3: Cross multiply
    1,055,168.87x = 1,582,739.13 × 256,448.12
  4. Step 4: Simplify right side
    1,055,168.87x = 405,890,474,338.94
  5. Step 5: Solve for x
    x = 405,890,474,338.94/1,055,168.87
  6. Step 6: Final answer
    x = 384,668.73

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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.