Home / 682,816.59-942,286.98-376,893.07

Finding the Fourth Proportional to 682,816.59, 942,286.98 and 376,893.07

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Solution

The fourth proportional to 682,816.59, 942,286.98 and 376,893.07 is: 520,112.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,816.59 : 942,286.98 = 376,893.07 : x
  2. Step 2: Convert to fraction form
    682,816.59/942,286.98 = 376,893.07/x
  3. Step 3: Cross multiply
    682,816.59x = 942,286.98 × 376,893.07
  4. Step 4: Simplify right side
    682,816.59x = 355,141,431,770.86
  5. Step 5: Solve for x
    x = 355,141,431,770.86/682,816.59
  6. Step 6: Final answer
    x = 520,112.48

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Double scale
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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.