Home / 1,289,611.10-1,934,414.22-342,982.74

Finding the Fourth Proportional to 1,289,611.10, 1,934,414.22 and 342,982.74

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Solution

The fourth proportional to 1,289,611.10, 1,934,414.22 and 342,982.74 is: 514,473.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,611.10 : 1,934,414.22 = 342,982.74 : x
  2. Step 2: Convert to fraction form
    1,289,611.10/1,934,414.22 = 342,982.74/x
  3. Step 3: Cross multiply
    1,289,611.10x = 1,934,414.22 × 342,982.74
  4. Step 4: Simplify right side
    1,289,611.10x = 663,470,689,470.56
  5. Step 5: Solve for x
    x = 663,470,689,470.56/1,289,611.10
  6. Step 6: Final answer
    x = 514,473.46

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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.