Home / 682,922.64-942,408.51-376,992.45

Finding the Fourth Proportional to 682,922.64, 942,408.51 and 376,992.45

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Solution

The fourth proportional to 682,922.64, 942,408.51 and 376,992.45 is: 520,235.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,922.64 : 942,408.51 = 376,992.45 : x
  2. Step 2: Convert to fraction form
    682,922.64/942,408.51 = 376,992.45/x
  3. Step 3: Cross multiply
    682,922.64x = 942,408.51 × 376,992.45
  4. Step 4: Simplify right side
    682,922.64x = 355,280,893,085.75
  5. Step 5: Solve for x
    x = 355,280,893,085.75/682,922.64
  6. Step 6: Final answer
    x = 520,235.93

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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.