Home / 550,454.24-759,629.54-308,749.73

Finding the Fourth Proportional to 550,454.24, 759,629.54 and 308,749.73

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Solution

The fourth proportional to 550,454.24, 759,629.54 and 308,749.73 is: 426,076.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,454.24 : 759,629.54 = 308,749.73 : x
  2. Step 2: Convert to fraction form
    550,454.24/759,629.54 = 308,749.73/x
  3. Step 3: Cross multiply
    550,454.24x = 759,629.54 × 308,749.73
  4. Step 4: Simplify right side
    550,454.24x = 234,535,410,033.13
  5. Step 5: Solve for x
    x = 234,535,410,033.13/550,454.24
  6. Step 6: Final answer
    x = 426,076.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.