Home / 908,657.99-1,253,956.58-500,774.51

Finding the Fourth Proportional to 908,657.99, 1,253,956.58 and 500,774.51

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Solution

The fourth proportional to 908,657.99, 1,253,956.58 and 500,774.51 is: 691,073.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,657.99 : 1,253,956.58 = 500,774.51 : x
  2. Step 2: Convert to fraction form
    908,657.99/1,253,956.58 = 500,774.51/x
  3. Step 3: Cross multiply
    908,657.99x = 1,253,956.58 × 500,774.51
  4. Step 4: Simplify right side
    908,657.99x = 627,949,491,910.78
  5. Step 5: Solve for x
    x = 627,949,491,910.78/908,657.99
  6. Step 6: Final answer
    x = 691,073.54

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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.