Home / 818,099.61-1,227,233.22-313,085.37

Finding the Fourth Proportional to 818,099.61, 1,227,233.22 and 313,085.37

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Solution

The fourth proportional to 818,099.61, 1,227,233.22 and 313,085.37 is: 469,660.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,099.61 : 1,227,233.22 = 313,085.37 : x
  2. Step 2: Convert to fraction form
    818,099.61/1,227,233.22 = 313,085.37/x
  3. Step 3: Cross multiply
    818,099.61x = 1,227,233.22 × 313,085.37
  4. Step 4: Simplify right side
    818,099.61x = 384,228,766,759.99
  5. Step 5: Solve for x
    x = 384,228,766,759.99/818,099.61
  6. Step 6: Final answer
    x = 469,660.13

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1.5x scale

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.