Finding the Fourth Proportional to 1,273,962.75, 1,911,239.37 and 432,514.50
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Solution
The fourth proportional to 1,273,962.75, 1,911,239.37 and 432,514.50 is: 648,871.99
Step by Step Solution
- Step 1: Write the proportion equation
1,273,962.75 : 1,911,239.37 = 432,514.50 : x - Step 2: Convert to fraction form
1,273,962.75/1,911,239.37 = 432,514.50/x - Step 3: Cross multiply
1,273,962.75x = 1,911,239.37 × 432,514.50 - Step 4: Simplify right side
1,273,962.75x = 826,638,740,495.87 - Step 5: Solve for x
x = 826,638,740,495.87/1,273,962.75 - Step 6: Final answer
x = 648,871.99
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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.