Finding the Fourth Proportional to 1,192,782.30, 1,788,560.55 and 351,224.70
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Solution
The fourth proportional to 1,192,782.30, 1,788,560.55 and 351,224.70 is: 526,656.58
Step by Step Solution
- Step 1: Write the proportion equation
1,192,782.30 : 1,788,560.55 = 351,224.70 : x - Step 2: Convert to fraction form
1,192,782.30/1,788,560.55 = 351,224.70/x - Step 3: Cross multiply
1,192,782.30x = 1,788,560.55 × 351,224.70 - Step 4: Simplify right side
1,192,782.30x = 628,186,642,605.59 - Step 5: Solve for x
x = 628,186,642,605.59/1,192,782.30 - Step 6: Final answer
x = 526,656.58
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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.