Home / 1,693,879.84-2,337,571.16-919,516.80

Finding the Fourth Proportional to 1,693,879.84, 2,337,571.16 and 919,516.80

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Solution

The fourth proportional to 1,693,879.84, 2,337,571.16 and 919,516.80 is: 1,268,942.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,879.84 : 2,337,571.16 = 919,516.80 : x
  2. Step 2: Convert to fraction form
    1,693,879.84/2,337,571.16 = 919,516.80/x
  3. Step 3: Cross multiply
    1,693,879.84x = 2,337,571.16 × 919,516.80
  4. Step 4: Simplify right side
    1,693,879.84x = 2,149,435,952,815.49
  5. Step 5: Solve for x
    x = 2,149,435,952,815.49/1,693,879.84
  6. Step 6: Final answer
    x = 1,268,942.40

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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.