Finding the Fourth Proportional to 1,676,868.18, 2,314,119.70 and 912,963.66
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Solution
The fourth proportional to 1,676,868.18, 2,314,119.70 and 912,963.66 is: 1,259,912.51
Step by Step Solution
- Step 1: Write the proportion equation
1,676,868.18 : 2,314,119.70 = 912,963.66 : x - Step 2: Convert to fraction form
1,676,868.18/2,314,119.70 = 912,963.66/x - Step 3: Cross multiply
1,676,868.18x = 2,314,119.70 × 912,963.66 - Step 4: Simplify right side
1,676,868.18x = 2,112,707,190,990.10 - Step 5: Solve for x
x = 2,112,707,190,990.10/1,676,868.18 - Step 6: Final answer
x = 1,259,912.51
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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.