Finding the Fourth Proportional to 1,728,543.60, 2,385,392.10 and 964,596.96
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Solution
The fourth proportional to 1,728,543.60, 2,385,392.10 and 964,596.96 is: 1,331,144.88
Step by Step Solution
- Step 1: Write the proportion equation
1,728,543.60 : 2,385,392.10 = 964,596.96 : x - Step 2: Convert to fraction form
1,728,543.60/2,385,392.10 = 964,596.96/x - Step 3: Cross multiply
1,728,543.60x = 2,385,392.10 × 964,596.96 - Step 4: Simplify right side
1,728,543.60x = 2,300,941,968,068.02 - Step 5: Solve for x
x = 2,300,941,968,068.02/1,728,543.60 - Step 6: Final answer
x = 1,331,144.88
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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.