Finding the Fourth Proportional to 1,211,514.84, 1,817,301.42 and 579,734.28
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Solution
The fourth proportional to 1,211,514.84, 1,817,301.42 and 579,734.28 is: 869,615.37
Step by Step Solution
- Step 1: Write the proportion equation
1,211,514.84 : 1,817,301.42 = 579,734.28 : x - Step 2: Convert to fraction form
1,211,514.84/1,817,301.42 = 579,734.28/x - Step 3: Cross multiply
1,211,514.84x = 1,817,301.42 × 579,734.28 - Step 4: Simplify right side
1,211,514.84x = 1,053,551,930,266.68 - Step 5: Solve for x
x = 1,053,551,930,266.68/1,211,514.84 - Step 6: Final answer
x = 869,615.37
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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.