Finding the Fourth Proportional to 1,173,771.76, 1,619,821.82 and 683,728.68
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Solution
The fourth proportional to 1,173,771.76, 1,619,821.82 and 683,728.68 is: 943,555.36
Step by Step Solution
- Step 1: Write the proportion equation
1,173,771.76 : 1,619,821.82 = 683,728.68 : x - Step 2: Convert to fraction form
1,173,771.76/1,619,821.82 = 683,728.68/x - Step 3: Cross multiply
1,173,771.76x = 1,619,821.82 × 683,728.68 - Step 4: Simplify right side
1,173,771.76x = 1,107,518,634,823.80 - Step 5: Solve for x
x = 1,107,518,634,823.80/1,173,771.76 - Step 6: Final answer
x = 943,555.36
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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.