Finding the Fourth Proportional to 1,279,874.02, 1,919,068.29 and 605,949.63
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Solution
The fourth proportional to 1,279,874.02, 1,919,068.29 and 605,949.63 is: 908,572.80
Step by Step Solution
- Step 1: Write the proportion equation
1,279,874.02 : 1,919,068.29 = 605,949.63 : x - Step 2: Convert to fraction form
1,279,874.02/1,919,068.29 = 605,949.63/x - Step 3: Cross multiply
1,279,874.02x = 1,919,068.29 × 605,949.63 - Step 4: Simplify right side
1,279,874.02x = 1,162,858,720,270.23 - Step 5: Solve for x
x = 1,162,858,720,270.23/1,279,874.02 - Step 6: Final answer
x = 908,572.80
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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.