Finding the Fourth Proportional to 1,418,419.94, 1,957,410.21 and 806,572.74
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Solution
The fourth proportional to 1,418,419.94, 1,957,410.21 and 806,572.74 is: 1,113,065.09
Step by Step Solution
- Step 1: Write the proportion equation
1,418,419.94 : 1,957,410.21 = 806,572.74 : x - Step 2: Convert to fraction form
1,418,419.94/1,957,410.21 = 806,572.74/x - Step 3: Cross multiply
1,418,419.94x = 1,957,410.21 × 806,572.74 - Step 4: Simplify right side
1,418,419.94x = 1,578,793,712,350.81 - Step 5: Solve for x
x = 1,578,793,712,350.81/1,418,419.94 - Step 6: Final answer
x = 1,113,065.09
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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.