Finding the Fourth Proportional to 1,051,546.16, 1,576,687.47 and 411,087.09
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Solution
The fourth proportional to 1,051,546.16, 1,576,687.47 and 411,087.09 is: 616,383.65
Step by Step Solution
- Step 1: Write the proportion equation
1,051,546.16 : 1,576,687.47 = 411,087.09 : x - Step 2: Convert to fraction form
1,051,546.16/1,576,687.47 = 411,087.09/x - Step 3: Cross multiply
1,051,546.16x = 1,576,687.47 × 411,087.09 - Step 4: Simplify right side
1,051,546.16x = 648,155,863,881.76 - Step 5: Solve for x
x = 648,155,863,881.76/1,051,546.16 - Step 6: Final answer
x = 616,383.65
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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.