Home / 682,600.96-942,176.69-396,213.31

Finding the Fourth Proportional to 682,600.96, 942,176.69 and 396,213.31

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Solution

The fourth proportional to 682,600.96, 942,176.69 and 396,213.31 is: 546,883.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,600.96 : 942,176.69 = 396,213.31 : x
  2. Step 2: Convert to fraction form
    682,600.96/942,176.69 = 396,213.31/x
  3. Step 3: Cross multiply
    682,600.96x = 942,176.69 × 396,213.31
  4. Step 4: Simplify right side
    682,600.96x = 373,302,944,949.74
  5. Step 5: Solve for x
    x = 373,302,944,949.74/682,600.96
  6. Step 6: Final answer
    x = 546,883.12

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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.