Finding the Fourth Proportional to 1,589,998.50, 2,194,197.93 and 911,328.66
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Solution
The fourth proportional to 1,589,998.50, 2,194,197.93 and 911,328.66 is: 1,257,633.55
Step by Step Solution
- Step 1: Write the proportion equation
1,589,998.50 : 2,194,197.93 = 911,328.66 : x - Step 2: Convert to fraction form
1,589,998.50/2,194,197.93 = 911,328.66/x - Step 3: Cross multiply
1,589,998.50x = 2,194,197.93 × 911,328.66 - Step 4: Simplify right side
1,589,998.50x = 1,999,635,459,321.67 - Step 5: Solve for x
x = 1,999,635,459,321.67/1,589,998.50 - Step 6: Final answer
x = 1,257,633.55
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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.