Home / 1,100,846.40-1,649,228.40-626,121.60

Finding the Fourth Proportional to 1,100,846.40, 1,649,228.40 and 626,121.60

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Solution

The fourth proportional to 1,100,846.40, 1,649,228.40 and 626,121.60 is: 938,021.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,846.40 : 1,649,228.40 = 626,121.60 : x
  2. Step 2: Convert to fraction form
    1,100,846.40/1,649,228.40 = 626,121.60/x
  3. Step 3: Cross multiply
    1,100,846.40x = 1,649,228.40 × 626,121.60
  4. Step 4: Simplify right side
    1,100,846.40x = 1,032,617,524,573.44
  5. Step 5: Solve for x
    x = 1,032,617,524,573.44/1,100,846.40
  6. Step 6: Final answer
    x = 938,021.44

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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.