Home / 691,426-1,037,313.96-192,790

Finding the Fourth Proportional to 691,426, 1,037,313.96 and 192,790

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Solution

The fourth proportional to 691,426, 1,037,313.96 and 192,790 is: 289,233.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,426 : 1,037,313.96 = 192,790 : x
  2. Step 2: Convert to fraction form
    691,426/1,037,313.96 = 192,790/x
  3. Step 3: Cross multiply
    691,426x = 1,037,313.96 × 192,790
  4. Step 4: Simplify right side
    691,426x = 199,983,758,348.40
  5. Step 5: Solve for x
    x = 199,983,758,348.40/691,426
  6. Step 6: Final answer
    x = 289,233.78

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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.