Finding the Fourth Proportional to 1,028,514.70, 1,419,348.99 and 575,808.94
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Solution
The fourth proportional to 1,028,514.70, 1,419,348.99 and 575,808.94 is: 794,615.61
Step by Step Solution
- Step 1: Write the proportion equation
1,028,514.70 : 1,419,348.99 = 575,808.94 : x - Step 2: Convert to fraction form
1,028,514.70/1,419,348.99 = 575,808.94/x - Step 3: Cross multiply
1,028,514.70x = 1,419,348.99 × 575,808.94 - Step 4: Simplify right side
1,028,514.70x = 817,273,837,421.97 - Step 5: Solve for x
x = 817,273,837,421.97/1,028,514.70 - Step 6: Final answer
x = 794,615.61
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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.