Home / 476,860.05-658,066.32-261,999.58

Finding the Fourth Proportional to 476,860.05, 658,066.32 and 261,999.58

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Solution

The fourth proportional to 476,860.05, 658,066.32 and 261,999.58 is: 361,559.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,860.05 : 658,066.32 = 261,999.58 : x
  2. Step 2: Convert to fraction form
    476,860.05/658,066.32 = 261,999.58/x
  3. Step 3: Cross multiply
    476,860.05x = 658,066.32 × 261,999.58
  4. Step 4: Simplify right side
    476,860.05x = 172,413,099,452.15
  5. Step 5: Solve for x
    x = 172,413,099,452.15/476,860.05
  6. Step 6: Final answer
    x = 361,559.12

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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.