Home / 497,734.35-686,874.09-271,379.85

Finding the Fourth Proportional to 497,734.35, 686,874.09 and 271,379.85

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Solution

The fourth proportional to 497,734.35, 686,874.09 and 271,379.85 is: 374,504.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,734.35 : 686,874.09 = 271,379.85 : x
  2. Step 2: Convert to fraction form
    497,734.35/686,874.09 = 271,379.85/x
  3. Step 3: Cross multiply
    497,734.35x = 686,874.09 × 271,379.85
  4. Step 4: Simplify right side
    497,734.35x = 186,403,787,513.09
  5. Step 5: Solve for x
    x = 186,403,787,513.09/497,734.35
  6. Step 6: Final answer
    x = 374,504.57

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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.