Home / 490,831.23-677,338.93-273,037.30

Finding the Fourth Proportional to 490,831.23, 677,338.93 and 273,037.30

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Solution

The fourth proportional to 490,831.23, 677,338.93 and 273,037.30 is: 376,786.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,831.23 : 677,338.93 = 273,037.30 : x
  2. Step 2: Convert to fraction form
    490,831.23/677,338.93 = 273,037.30/x
  3. Step 3: Cross multiply
    490,831.23x = 677,338.93 × 273,037.30
  4. Step 4: Simplify right side
    490,831.23x = 184,938,790,469.66
  5. Step 5: Solve for x
    x = 184,938,790,469.66/490,831.23
  6. Step 6: Final answer
    x = 376,786.93

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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.