Finding the Fourth Proportional to 1,277,147.24, 1,913,552.99 and 770,643.91
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Solution
The fourth proportional to 1,277,147.24, 1,913,552.99 and 770,643.91 is: 1,154,657.75
Step by Step Solution
- Step 1: Write the proportion equation
1,277,147.24 : 1,913,552.99 = 770,643.91 : x - Step 2: Convert to fraction form
1,277,147.24/1,913,552.99 = 770,643.91/x - Step 3: Cross multiply
1,277,147.24x = 1,913,552.99 × 770,643.91 - Step 4: Simplify right side
1,277,147.24x = 1,474,667,958,205.79 - Step 5: Solve for x
x = 1,474,667,958,205.79/1,277,147.24 - Step 6: Final answer
x = 1,154,657.75
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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.