Home / 1,281,576.79-1,922,657.19-682,222.15

Finding the Fourth Proportional to 1,281,576.79, 1,922,657.19 and 682,222.15

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Solution

The fourth proportional to 1,281,576.79, 1,922,657.19 and 682,222.15 is: 1,023,488.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,576.79 : 1,922,657.19 = 682,222.15 : x
  2. Step 2: Convert to fraction form
    1,281,576.79/1,922,657.19 = 682,222.15/x
  3. Step 3: Cross multiply
    1,281,576.79x = 1,922,657.19 × 682,222.15
  4. Step 4: Simplify right side
    1,281,576.79x = 1,311,679,321,874.76
  5. Step 5: Solve for x
    x = 1,311,679,321,874.76/1,281,576.79
  6. Step 6: Final answer
    x = 1,023,488.67

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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.