Home / 1,086,906.88-1,630,212.42-413,157.76

Finding the Fourth Proportional to 1,086,906.88, 1,630,212.42 and 413,157.76

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Solution

The fourth proportional to 1,086,906.88, 1,630,212.42 and 413,157.76 is: 619,680.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,906.88 : 1,630,212.42 = 413,157.76 : x
  2. Step 2: Convert to fraction form
    1,086,906.88/1,630,212.42 = 413,157.76/x
  3. Step 3: Cross multiply
    1,086,906.88x = 1,630,212.42 × 413,157.76
  4. Step 4: Simplify right side
    1,086,906.88x = 673,534,911,771.38
  5. Step 5: Solve for x
    x = 673,534,911,771.38/1,086,906.88
  6. Step 6: Final answer
    x = 619,680.42

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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.