Home / 865,766.32-1,297,524.84-352,832.56

Finding the Fourth Proportional to 865,766.32, 1,297,524.84 and 352,832.56

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Solution

The fourth proportional to 865,766.32, 1,297,524.84 and 352,832.56 is: 528,790.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,766.32 : 1,297,524.84 = 352,832.56 : x
  2. Step 2: Convert to fraction form
    865,766.32/1,297,524.84 = 352,832.56/x
  3. Step 3: Cross multiply
    865,766.32x = 1,297,524.84 × 352,832.56
  4. Step 4: Simplify right side
    865,766.32x = 457,809,010,960.79
  5. Step 5: Solve for x
    x = 457,809,010,960.79/865,766.32
  6. Step 6: Final answer
    x = 528,790.51

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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.