Home / 928,970.90-1,393,388.66-416,794.64

Finding the Fourth Proportional to 928,970.90, 1,393,388.66 and 416,794.64

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Solution

The fourth proportional to 928,970.90, 1,393,388.66 and 416,794.64 is: 625,161.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,970.90 : 1,393,388.66 = 416,794.64 : x
  2. Step 2: Convert to fraction form
    928,970.90/1,393,388.66 = 416,794.64/x
  3. Step 3: Cross multiply
    928,970.90x = 1,393,388.66 × 416,794.64
  4. Step 4: Simplify right side
    928,970.90x = 580,756,929,450.24
  5. Step 5: Solve for x
    x = 580,756,929,450.24/928,970.90
  6. Step 6: Final answer
    x = 625,161.60

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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.