Finding the Fourth Proportional to 1,222,780.26, 1,833,580.29 and 512,617.62
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Solution
The fourth proportional to 1,222,780.26, 1,833,580.29 and 512,617.62 is: 768,679.05
Step by Step Solution
- Step 1: Write the proportion equation
1,222,780.26 : 1,833,580.29 = 512,617.62 : x - Step 2: Convert to fraction form
1,222,780.26/1,833,580.29 = 512,617.62/x - Step 3: Cross multiply
1,222,780.26x = 1,833,580.29 × 512,617.62 - Step 4: Simplify right side
1,222,780.26x = 939,925,564,338.71 - Step 5: Solve for x
x = 939,925,564,338.71/1,222,780.26 - Step 6: Final answer
x = 768,679.05
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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.