Home / 926,416.78-1,389,737.26-327,255.34

Finding the Fourth Proportional to 926,416.78, 1,389,737.26 and 327,255.34

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Solution

The fourth proportional to 926,416.78, 1,389,737.26 and 327,255.34 is: 490,922.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,416.78 : 1,389,737.26 = 327,255.34 : x
  2. Step 2: Convert to fraction form
    926,416.78/1,389,737.26 = 327,255.34/x
  3. Step 3: Cross multiply
    926,416.78x = 1,389,737.26 × 327,255.34
  4. Step 4: Simplify right side
    926,416.78x = 454,798,939,531.97
  5. Step 5: Solve for x
    x = 454,798,939,531.97/926,416.78
  6. Step 6: Final answer
    x = 490,922.61

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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.