Finding the Fourth Proportional to 905,718.24, 1,357,290 and 667,185.12
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Solution
The fourth proportional to 905,718.24, 1,357,290 and 667,185.12 is: 999,829.36
Step by Step Solution
- Step 1: Write the proportion equation
905,718.24 : 1,357,290 = 667,185.12 : x - Step 2: Convert to fraction form
905,718.24/1,357,290 = 667,185.12/x - Step 3: Cross multiply
905,718.24x = 1,357,290 × 667,185.12 - Step 4: Simplify right side
905,718.24x = 905,563,691,524.80 - Step 5: Solve for x
x = 905,563,691,524.80/905,718.24 - Step 6: Final answer
x = 999,829.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.