Finding the Fourth Proportional to 1,277,357.81, 1,912,924.17 and 844,811.75
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Solution
The fourth proportional to 1,277,357.81, 1,912,924.17 and 844,811.75 is: 1,265,159.06
Step by Step Solution
- Step 1: Write the proportion equation
1,277,357.81 : 1,912,924.17 = 844,811.75 : x - Step 2: Convert to fraction form
1,277,357.81/1,912,924.17 = 844,811.75/x - Step 3: Cross multiply
1,277,357.81x = 1,912,924.17 × 844,811.75 - Step 4: Simplify right side
1,277,357.81x = 1,616,060,806,110.38 - Step 5: Solve for x
x = 1,616,060,806,110.38/1,277,357.81 - Step 6: Final answer
x = 1,265,159.06
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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.