Home / 908,197.07-1,253,350.83-505,789.07

Finding the Fourth Proportional to 908,197.07, 1,253,350.83 and 505,789.07

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Solution

The fourth proportional to 908,197.07, 1,253,350.83 and 505,789.07 is: 698,010.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,197.07 : 1,253,350.83 = 505,789.07 : x
  2. Step 2: Convert to fraction form
    908,197.07/1,253,350.83 = 505,789.07/x
  3. Step 3: Cross multiply
    908,197.07x = 1,253,350.83 × 505,789.07
  4. Step 4: Simplify right side
    908,197.07x = 633,931,141,893.73
  5. Step 5: Solve for x
    x = 633,931,141,893.73/908,197.07
  6. Step 6: Final answer
    x = 698,010.56

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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.