Finding the Fourth Proportional to 1,192,747.68, 1,645,868.91 and 709,219.41
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Solution
The fourth proportional to 1,192,747.68, 1,645,868.91 and 709,219.41 is: 978,649.72
Step by Step Solution
- Step 1: Write the proportion equation
1,192,747.68 : 1,645,868.91 = 709,219.41 : x - Step 2: Convert to fraction form
1,192,747.68/1,645,868.91 = 709,219.41/x - Step 3: Cross multiply
1,192,747.68x = 1,645,868.91 × 709,219.41 - Step 4: Simplify right side
1,192,747.68x = 1,167,282,177,287.54 - Step 5: Solve for x
x = 1,167,282,177,287.54/1,192,747.68 - Step 6: Final answer
x = 978,649.72
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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.