Home / 682,975.73-942,629.87-407,351.25

Finding the Fourth Proportional to 682,975.73, 942,629.87 and 407,351.25

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Solution

The fourth proportional to 682,975.73, 942,629.87 and 407,351.25 is: 562,218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,975.73 : 942,629.87 = 407,351.25 : x
  2. Step 2: Convert to fraction form
    682,975.73/942,629.87 = 407,351.25/x
  3. Step 3: Cross multiply
    682,975.73x = 942,629.87 × 407,351.25
  4. Step 4: Simplify right side
    682,975.73x = 383,981,453,795.08
  5. Step 5: Solve for x
    x = 383,981,453,795.08/682,975.73
  6. Step 6: Final answer
    x = 562,218.30

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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.