Finding the Fourth Proportional to 1,694,305.44, 2,338,124.67 and 919,919.25
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Solution
The fourth proportional to 1,694,305.44, 2,338,124.67 and 919,919.25 is: 1,269,479.42
Step by Step Solution
- Step 1: Write the proportion equation
1,694,305.44 : 2,338,124.67 = 919,919.25 : x - Step 2: Convert to fraction form
1,694,305.44/2,338,124.67 = 919,919.25/x - Step 3: Cross multiply
1,694,305.44x = 2,338,124.67 × 919,919.25 - Step 4: Simplify right side
1,694,305.44x = 2,150,885,892,832.90 - Step 5: Solve for x
x = 2,150,885,892,832.90/1,694,305.44 - Step 6: Final answer
x = 1,269,479.42
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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.