Home / 919,654.90-1,379,540.66-288,593.62

Finding the Fourth Proportional to 919,654.90, 1,379,540.66 and 288,593.62

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Solution

The fourth proportional to 919,654.90, 1,379,540.66 and 288,593.62 is: 432,908.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,654.90 : 1,379,540.66 = 288,593.62 : x
  2. Step 2: Convert to fraction form
    919,654.90/1,379,540.66 = 288,593.62/x
  3. Step 3: Cross multiply
    919,654.90x = 1,379,540.66 × 288,593.62
  4. Step 4: Simplify right side
    919,654.90x = 398,126,633,006.59
  5. Step 5: Solve for x
    x = 398,126,633,006.59/919,654.90
  6. Step 6: Final answer
    x = 432,908.73

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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.