Finding the Fourth Proportional to 1,414,428.58, 1,951,953.08 and 1,001,703.75
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Solution
The fourth proportional to 1,414,428.58, 1,951,953.08 and 1,001,703.75 is: 1,382,380.66
Step by Step Solution
- Step 1: Write the proportion equation
1,414,428.58 : 1,951,953.08 = 1,001,703.75 : x - Step 2: Convert to fraction form
1,414,428.58/1,951,953.08 = 1,001,703.75/x - Step 3: Cross multiply
1,414,428.58x = 1,951,953.08 × 1,001,703.75 - Step 4: Simplify right side
1,414,428.58x = 1,955,278,720,060.05 - Step 5: Solve for x
x = 1,955,278,720,060.05/1,414,428.58 - Step 6: Final answer
x = 1,382,380.66
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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.