Home / 1,275,067.32-1,912,853.38-364,257.66

Finding the Fourth Proportional to 1,275,067.32, 1,912,853.38 and 364,257.66

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Solution

The fourth proportional to 1,275,067.32, 1,912,853.38 and 364,257.66 is: 546,458.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,067.32 : 1,912,853.38 = 364,257.66 : x
  2. Step 2: Convert to fraction form
    1,275,067.32/1,912,853.38 = 364,257.66/x
  3. Step 3: Cross multiply
    1,275,067.32x = 1,912,853.38 × 364,257.66
  4. Step 4: Simplify right side
    1,275,067.32x = 696,771,496,121.89
  5. Step 5: Solve for x
    x = 696,771,496,121.89/1,275,067.32
  6. Step 6: Final answer
    x = 546,458.59

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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.