Finding the Fourth Proportional to 1,027,328.09, 1,417,391.40 and 619,554.65
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Solution
The fourth proportional to 1,027,328.09, 1,417,391.40 and 619,554.65 is: 854,791.61
Step by Step Solution
- Step 1: Write the proportion equation
1,027,328.09 : 1,417,391.40 = 619,554.65 : x - Step 2: Convert to fraction form
1,027,328.09/1,417,391.40 = 619,554.65/x - Step 3: Cross multiply
1,027,328.09x = 1,417,391.40 × 619,554.65 - Step 4: Simplify right side
1,027,328.09x = 878,151,425,653.05 - Step 5: Solve for x
x = 878,151,425,653.05/1,027,328.09 - Step 6: Final answer
x = 854,791.61
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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.