Finding the Fourth Proportional to 809,562.88, 1,117,214.19 and 447,009.66
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Solution
The fourth proportional to 809,562.88, 1,117,214.19 and 447,009.66 is: 616,882.95
Step by Step Solution
- Step 1: Write the proportion equation
809,562.88 : 1,117,214.19 = 447,009.66 : x - Step 2: Convert to fraction form
809,562.88/1,117,214.19 = 447,009.66/x - Step 3: Cross multiply
809,562.88x = 1,117,214.19 × 447,009.66 - Step 4: Simplify right side
809,562.88x = 499,405,535,219.08 - Step 5: Solve for x
x = 499,405,535,219.08/809,562.88 - Step 6: Final answer
x = 616,882.95
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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.