Finding the Fourth Proportional to 1,582,764.15, 2,184,216.44 and 857,611.29
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Solution
The fourth proportional to 1,582,764.15, 2,184,216.44 and 857,611.29 is: 1,183,504.62
Step by Step Solution
- Step 1: Write the proportion equation
1,582,764.15 : 2,184,216.44 = 857,611.29 : x - Step 2: Convert to fraction form
1,582,764.15/2,184,216.44 = 857,611.29/x - Step 3: Cross multiply
1,582,764.15x = 2,184,216.44 × 857,611.29 - Step 4: Simplify right side
1,582,764.15x = 1,873,208,682,650.36 - Step 5: Solve for x
x = 1,873,208,682,650.36/1,582,764.15 - Step 6: Final answer
x = 1,183,504.62
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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.