Home / 683,816.80-1,025,914.80-284,645.60

Finding the Fourth Proportional to 683,816.80, 1,025,914.80 and 284,645.60

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Solution

The fourth proportional to 683,816.80, 1,025,914.80 and 284,645.60 is: 427,047.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,816.80 : 1,025,914.80 = 284,645.60 : x
  2. Step 2: Convert to fraction form
    683,816.80/1,025,914.80 = 284,645.60/x
  3. Step 3: Cross multiply
    683,816.80x = 1,025,914.80 × 284,645.60
  4. Step 4: Simplify right side
    683,816.80x = 292,022,133,794.88
  5. Step 5: Solve for x
    x = 292,022,133,794.88/683,816.80
  6. Step 6: Final answer
    x = 427,047.32

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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.