Finding the Fourth Proportional to 981,052.54, 1,353,009.44 and 636,549
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Solution
The fourth proportional to 981,052.54, 1,353,009.44 and 636,549 is: 877,890.60
Step by Step Solution
- Step 1: Write the proportion equation
981,052.54 : 1,353,009.44 = 636,549 : x - Step 2: Convert to fraction form
981,052.54/1,353,009.44 = 636,549/x - Step 3: Cross multiply
981,052.54x = 1,353,009.44 × 636,549 - Step 4: Simplify right side
981,052.54x = 861,256,806,022.56 - Step 5: Solve for x
x = 861,256,806,022.56/981,052.54 - Step 6: Final answer
x = 877,890.60
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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.