Home / 2,276,469.40-3,414,876.90-678,907.80

Finding the Fourth Proportional to 2,276,469.40, 3,414,876.90 and 678,907.80

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Solution

The fourth proportional to 2,276,469.40, 3,414,876.90 and 678,907.80 is: 1,018,413.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276,469.40 : 3,414,876.90 = 678,907.80 : x
  2. Step 2: Convert to fraction form
    2,276,469.40/3,414,876.90 = 678,907.80/x
  3. Step 3: Cross multiply
    2,276,469.40x = 3,414,876.90 × 678,907.80
  4. Step 4: Simplify right side
    2,276,469.40x = 2,318,386,563,449.82
  5. Step 5: Solve for x
    x = 2,318,386,563,449.82/2,276,469.40
  6. Step 6: Final answer
    x = 1,018,413.23

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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.