Finding the Fourth Proportional to 1,863,509.40, 2,795,326.24 and 515,559.12
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Solution
The fourth proportional to 1,863,509.40, 2,795,326.24 and 515,559.12 is: 773,355.87
Step by Step Solution
- Step 1: Write the proportion equation
1,863,509.40 : 2,795,326.24 = 515,559.12 : x - Step 2: Convert to fraction form
1,863,509.40/2,795,326.24 = 515,559.12/x - Step 3: Cross multiply
1,863,509.40x = 2,795,326.24 × 515,559.12 - Step 4: Simplify right side
1,863,509.40x = 1,441,155,936,407.31 - Step 5: Solve for x
x = 1,441,155,936,407.31/1,863,509.40 - Step 6: Final answer
x = 773,355.87
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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.