Home / 682,550.21-942,106.65-396,162.56

Finding the Fourth Proportional to 682,550.21, 942,106.65 and 396,162.56

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Solution

The fourth proportional to 682,550.21, 942,106.65 and 396,162.56 is: 546,813.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,550.21 : 942,106.65 = 396,162.56 : x
  2. Step 2: Convert to fraction form
    682,550.21/942,106.65 = 396,162.56/x
  3. Step 3: Cross multiply
    682,550.21x = 942,106.65 × 396,162.56
  4. Step 4: Simplify right side
    682,550.21x = 373,227,383,126.68
  5. Step 5: Solve for x
    x = 373,227,383,126.68/682,550.21
  6. Step 6: Final answer
    x = 546,813.08

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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.