Finding the Fourth Proportional to 1,243,883.92, 1,716,275.80 and 699,821.19
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Solution
The fourth proportional to 1,243,883.92, 1,716,275.80 and 699,821.19 is: 965,593.46
Step by Step Solution
- Step 1: Write the proportion equation
1,243,883.92 : 1,716,275.80 = 699,821.19 : x - Step 2: Convert to fraction form
1,243,883.92/1,716,275.80 = 699,821.19/x - Step 3: Cross multiply
1,243,883.92x = 1,716,275.80 × 699,821.19 - Step 4: Simplify right side
1,243,883.92x = 1,201,086,176,457.76 - Step 5: Solve for x
x = 1,201,086,176,457.76/1,243,883.92 - Step 6: Final answer
x = 965,593.46
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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.