Finding the Fourth Proportional to 1,280,841.68, 1,921,193.26 and 649,739.10
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Solution
The fourth proportional to 1,280,841.68, 1,921,193.26 and 649,739.10 is: 974,573.52
Step by Step Solution
- Step 1: Write the proportion equation
1,280,841.68 : 1,921,193.26 = 649,739.10 : x - Step 2: Convert to fraction form
1,280,841.68/1,921,193.26 = 649,739.10/x - Step 3: Cross multiply
1,280,841.68x = 1,921,193.26 × 649,739.10 - Step 4: Simplify right side
1,280,841.68x = 1,248,274,379,678.47 - Step 5: Solve for x
x = 1,248,274,379,678.47/1,280,841.68 - Step 6: Final answer
x = 974,573.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.