Home / 1,086,679.62-1,630,019.34-412,759.26

Finding the Fourth Proportional to 1,086,679.62, 1,630,019.34 and 412,759.26

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Solution

The fourth proportional to 1,086,679.62, 1,630,019.34 and 412,759.26 is: 619,138.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,679.62 : 1,630,019.34 = 412,759.26 : x
  2. Step 2: Convert to fraction form
    1,086,679.62/1,630,019.34 = 412,759.26/x
  3. Step 3: Cross multiply
    1,086,679.62x = 1,630,019.34 × 412,759.26
  4. Step 4: Simplify right side
    1,086,679.62x = 672,805,576,564.09
  5. Step 5: Solve for x
    x = 672,805,576,564.09/1,086,679.62
  6. Step 6: Final answer
    x = 619,138.86

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Double scale
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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.