Finding the Fourth Proportional to 1,728,511.79, 2,385,126.20 and 964,597.55
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Solution
The fourth proportional to 1,728,511.79, 2,385,126.20 and 964,597.55 is: 1,331,021.81
Step by Step Solution
- Step 1: Write the proportion equation
1,728,511.79 : 2,385,126.20 = 964,597.55 : x - Step 2: Convert to fraction form
1,728,511.79/2,385,126.20 = 964,597.55/x - Step 3: Cross multiply
1,728,511.79x = 2,385,126.20 × 964,597.55 - Step 4: Simplify right side
1,728,511.79x = 2,300,686,879,446.67 - Step 5: Solve for x
x = 2,300,686,879,446.67/1,728,511.79 - Step 6: Final answer
x = 1,331,021.81
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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.