Finding the Fourth Proportional to 1,716,329.92, 2,368,994.76 and 1,071,361.68
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Solution
The fourth proportional to 1,716,329.92, 2,368,994.76 and 1,071,361.68 is: 1,478,765.93
Step by Step Solution
- Step 1: Write the proportion equation
1,716,329.92 : 2,368,994.76 = 1,071,361.68 : x - Step 2: Convert to fraction form
1,716,329.92/2,368,994.76 = 1,071,361.68/x - Step 3: Cross multiply
1,716,329.92x = 2,368,994.76 × 1,071,361.68 - Step 4: Simplify right side
1,716,329.92x = 2,538,050,205,984.80 - Step 5: Solve for x
x = 2,538,050,205,984.80/1,716,329.92 - Step 6: Final answer
x = 1,478,765.93
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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.