Home / 853,575.66-1,280,449.68-277,174.85

Finding the Fourth Proportional to 853,575.66, 1,280,449.68 and 277,174.85

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Solution

The fourth proportional to 853,575.66, 1,280,449.68 and 277,174.85 is: 415,790.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,575.66 : 1,280,449.68 = 277,174.85 : x
  2. Step 2: Convert to fraction form
    853,575.66/1,280,449.68 = 277,174.85/x
  3. Step 3: Cross multiply
    853,575.66x = 1,280,449.68 × 277,174.85
  4. Step 4: Simplify right side
    853,575.66x = 354,908,441,584.30
  5. Step 5: Solve for x
    x = 354,908,441,584.30/853,575.66
  6. Step 6: Final answer
    x = 415,790.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.