Home / 908,196.56-1,253,350.14-505,788.56

Finding the Fourth Proportional to 908,196.56, 1,253,350.14 and 505,788.56

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Solution

The fourth proportional to 908,196.56, 1,253,350.14 and 505,788.56 is: 698,009.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,196.56 : 1,253,350.14 = 505,788.56 : x
  2. Step 2: Convert to fraction form
    908,196.56/1,253,350.14 = 505,788.56/x
  3. Step 3: Cross multiply
    908,196.56x = 1,253,350.14 × 505,788.56
  4. Step 4: Simplify right side
    908,196.56x = 633,930,163,723.07
  5. Step 5: Solve for x
    x = 633,930,163,723.07/908,196.56
  6. Step 6: Final answer
    x = 698,009.87

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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.