Finding the Fourth Proportional to 707,636.88, 976,380.84 and 593,377.68
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Solution
The fourth proportional to 707,636.88, 976,380.84 and 593,377.68 is: 818,728.66
Step by Step Solution
- Step 1: Write the proportion equation
707,636.88 : 976,380.84 = 593,377.68 : x - Step 2: Convert to fraction form
707,636.88/976,380.84 = 593,377.68/x - Step 3: Cross multiply
707,636.88x = 976,380.84 × 593,377.68 - Step 4: Simplify right side
707,636.88x = 579,362,597,635.65 - Step 5: Solve for x
x = 579,362,597,635.65/707,636.88 - Step 6: Final answer
x = 818,728.66
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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.