Home / 816,216.03-1,224,450.81-416,640.60

Finding the Fourth Proportional to 816,216.03, 1,224,450.81 and 416,640.60

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Solution

The fourth proportional to 816,216.03, 1,224,450.81 and 416,640.60 is: 625,025.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,216.03 : 1,224,450.81 = 416,640.60 : x
  2. Step 2: Convert to fraction form
    816,216.03/1,224,450.81 = 416,640.60/x
  3. Step 3: Cross multiply
    816,216.03x = 1,224,450.81 × 416,640.60
  4. Step 4: Simplify right side
    816,216.03x = 510,155,920,148.89
  5. Step 5: Solve for x
    x = 510,155,920,148.89/816,216.03
  6. Step 6: Final answer
    x = 625,025.61

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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.