Finding the Fourth Proportional to 1,311,706.16, 1,963,115.20 and 806,587.08
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Solution
The fourth proportional to 1,311,706.16, 1,963,115.20 and 806,587.08 is: 1,207,147.92
Step by Step Solution
- Step 1: Write the proportion equation
1,311,706.16 : 1,963,115.20 = 806,587.08 : x - Step 2: Convert to fraction form
1,311,706.16/1,963,115.20 = 806,587.08/x - Step 3: Cross multiply
1,311,706.16x = 1,963,115.20 × 806,587.08 - Step 4: Simplify right side
1,311,706.16x = 1,583,423,356,871.62 - Step 5: Solve for x
x = 1,583,423,356,871.62/1,311,706.16 - Step 6: Final answer
x = 1,207,147.92
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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.