Finding the Fourth Proportional to 1,272,732.09, 1,756,325.31 and 699,767.79
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Solution
The fourth proportional to 1,272,732.09, 1,756,325.31 and 699,767.79 is: 965,654.82
Step by Step Solution
- Step 1: Write the proportion equation
1,272,732.09 : 1,756,325.31 = 699,767.79 : x - Step 2: Convert to fraction form
1,272,732.09/1,756,325.31 = 699,767.79/x - Step 3: Cross multiply
1,272,732.09x = 1,756,325.31 × 699,767.79 - Step 4: Simplify right side
1,272,732.09x = 1,229,019,880,699.76 - Step 5: Solve for x
x = 1,229,019,880,699.76/1,272,732.09 - Step 6: Final answer
x = 965,654.82
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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.