Finding the Fourth Proportional to 991,584.08, 1,367,919.33 and 719,054.18
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Solution
The fourth proportional to 991,584.08, 1,367,919.33 and 719,054.18 is: 991,956.34
Step by Step Solution
- Step 1: Write the proportion equation
991,584.08 : 1,367,919.33 = 719,054.18 : x - Step 2: Convert to fraction form
991,584.08/1,367,919.33 = 719,054.18/x - Step 3: Cross multiply
991,584.08x = 1,367,919.33 × 719,054.18 - Step 4: Simplify right side
991,584.08x = 983,608,112,139.30 - Step 5: Solve for x
x = 983,608,112,139.30/991,584.08 - Step 6: Final answer
x = 991,956.34
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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.