Home / 494,885.70-682,943.40-268,531.20

Finding the Fourth Proportional to 494,885.70, 682,943.40 and 268,531.20

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Solution

The fourth proportional to 494,885.70, 682,943.40 and 268,531.20 is: 370,573.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,885.70 : 682,943.40 = 268,531.20 : x
  2. Step 2: Convert to fraction form
    494,885.70/682,943.40 = 268,531.20/x
  3. Step 3: Cross multiply
    494,885.70x = 682,943.40 × 268,531.20
  4. Step 4: Simplify right side
    494,885.70x = 183,391,610,734.08
  5. Step 5: Solve for x
    x = 183,391,610,734.08/494,885.70
  6. Step 6: Final answer
    x = 370,573.67

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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.