Finding the Fourth Proportional to 882,705.36, 1,218,393.99 and 520,246.56
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Solution
The fourth proportional to 882,705.36, 1,218,393.99 and 520,246.56 is: 718,093.84
Step by Step Solution
- Step 1: Write the proportion equation
882,705.36 : 1,218,393.99 = 520,246.56 : x - Step 2: Convert to fraction form
882,705.36/1,218,393.99 = 520,246.56/x - Step 3: Cross multiply
882,705.36x = 1,218,393.99 × 520,246.56 - Step 4: Simplify right side
882,705.36x = 633,865,282,022.18 - Step 5: Solve for x
x = 633,865,282,022.18/882,705.36 - Step 6: Final answer
x = 718,093.84
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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.