Home / 1,086,936-1,630,390.24-765,760.96

Finding the Fourth Proportional to 1,086,936, 1,630,390.24 and 765,760.96

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Solution

The fourth proportional to 1,086,936, 1,630,390.24 and 765,760.96 is: 1,148,631.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,936 : 1,630,390.24 = 765,760.96 : x
  2. Step 2: Convert to fraction form
    1,086,936/1,630,390.24 = 765,760.96/x
  3. Step 3: Cross multiply
    1,086,936x = 1,630,390.24 × 765,760.96
  4. Step 4: Simplify right side
    1,086,936x = 1,248,489,195,357.03
  5. Step 5: Solve for x
    x = 1,248,489,195,357.03/1,086,936
  6. Step 6: Final answer
    x = 1,148,631.75

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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.