Finding the Fourth Proportional to 990,730.24, 1,367,224 and 560,999.04
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Solution
The fourth proportional to 990,730.24, 1,367,224 and 560,999.04 is: 774,187.89
Step by Step Solution
- Step 1: Write the proportion equation
990,730.24 : 1,367,224 = 560,999.04 : x - Step 2: Convert to fraction form
990,730.24/1,367,224 = 560,999.04/x - Step 3: Cross multiply
990,730.24x = 1,367,224 × 560,999.04 - Step 4: Simplify right side
990,730.24x = 767,011,351,464.96 - Step 5: Solve for x
x = 767,011,351,464.96/990,730.24 - Step 6: Final answer
x = 774,187.89
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.