Home / 1,086,770.88-1,630,243.68-413,174.40

Finding the Fourth Proportional to 1,086,770.88, 1,630,243.68 and 413,174.40

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Solution

The fourth proportional to 1,086,770.88, 1,630,243.68 and 413,174.40 is: 619,794.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,770.88 : 1,630,243.68 = 413,174.40 : x
  2. Step 2: Convert to fraction form
    1,086,770.88/1,630,243.68 = 413,174.40/x
  3. Step 3: Cross multiply
    1,086,770.88x = 1,630,243.68 × 413,174.40
  4. Step 4: Simplify right side
    1,086,770.88x = 673,574,954,337.79
  5. Step 5: Solve for x
    x = 673,574,954,337.79/1,086,770.88
  6. Step 6: Final answer
    x = 619,794.81

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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.