Finding the Fourth Proportional to 1,006,955.74, 1,389,604.71 and 548,069.23
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Solution
The fourth proportional to 1,006,955.74, 1,389,604.71 and 548,069.23 is: 756,338.69
Step by Step Solution
- Step 1: Write the proportion equation
1,006,955.74 : 1,389,604.71 = 548,069.23 : x - Step 2: Convert to fraction form
1,006,955.74/1,389,604.71 = 548,069.23/x - Step 3: Cross multiply
1,006,955.74x = 1,389,604.71 × 548,069.23 - Step 4: Simplify right side
1,006,955.74x = 761,599,583,414.07 - Step 5: Solve for x
x = 761,599,583,414.07/1,006,955.74 - Step 6: Final answer
x = 756,338.69
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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.