Home / 865,683.20-1,297,910.40-332,998.40

Finding the Fourth Proportional to 865,683.20, 1,297,910.40 and 332,998.40

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Solution

The fourth proportional to 865,683.20, 1,297,910.40 and 332,998.40 is: 499,261.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,683.20 : 1,297,910.40 = 332,998.40 : x
  2. Step 2: Convert to fraction form
    865,683.20/1,297,910.40 = 332,998.40/x
  3. Step 3: Cross multiply
    865,683.20x = 1,297,910.40 × 332,998.40
  4. Step 4: Simplify right side
    865,683.20x = 432,202,086,543.36
  5. Step 5: Solve for x
    x = 432,202,086,543.36/865,683.20
  6. Step 6: Final answer
    x = 499,261.26

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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.