Home / 908,196.38-1,253,349.88-505,788.38

Finding the Fourth Proportional to 908,196.38, 1,253,349.88 and 505,788.38

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Solution

The fourth proportional to 908,196.38, 1,253,349.88 and 505,788.38 is: 698,009.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,196.38 : 1,253,349.88 = 505,788.38 : x
  2. Step 2: Convert to fraction form
    908,196.38/1,253,349.88 = 505,788.38/x
  3. Step 3: Cross multiply
    908,196.38x = 1,253,349.88 × 505,788.38
  4. Step 4: Simplify right side
    908,196.38x = 633,929,797,847.17
  5. Step 5: Solve for x
    x = 633,929,797,847.17/908,196.38
  6. Step 6: Final answer
    x = 698,009.61

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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.