Finding the Fourth Proportional to 1,582,328.72, 2,183,611.66 and 857,179.44
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Solution
The fourth proportional to 1,582,328.72, 2,183,611.66 and 857,179.44 is: 1,182,906.55
Step by Step Solution
- Step 1: Write the proportion equation
1,582,328.72 : 2,183,611.66 = 857,179.44 : x - Step 2: Convert to fraction form
1,582,328.72/2,183,611.66 = 857,179.44/x - Step 3: Cross multiply
1,582,328.72x = 2,183,611.66 × 857,179.44 - Step 4: Simplify right side
1,582,328.72x = 1,871,747,017,753.32 - Step 5: Solve for x
x = 1,871,747,017,753.32/1,582,328.72 - Step 6: Final answer
x = 1,182,906.55
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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.