Home / 1,412,922.75-1,949,847.22-768,356.88

Finding the Fourth Proportional to 1,412,922.75, 1,949,847.22 and 768,356.88

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Solution

The fourth proportional to 1,412,922.75, 1,949,847.22 and 768,356.88 is: 1,060,340.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,922.75 : 1,949,847.22 = 768,356.88 : x
  2. Step 2: Convert to fraction form
    1,412,922.75/1,949,847.22 = 768,356.88/x
  3. Step 3: Cross multiply
    1,412,922.75x = 1,949,847.22 × 768,356.88
  4. Step 4: Simplify right side
    1,412,922.75x = 1,498,178,514,765.75
  5. Step 5: Solve for x
    x = 1,498,178,514,765.75/1,412,922.75
  6. Step 6: Final answer
    x = 1,060,340.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.