Finding the Fourth Proportional to 626,277.69, 863,069.99 and 614,761.65
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Solution
The fourth proportional to 626,277.69, 863,069.99 and 614,761.65 is: 847,199.79
Step by Step Solution
- Step 1: Write the proportion equation
626,277.69 : 863,069.99 = 614,761.65 : x - Step 2: Convert to fraction form
626,277.69/863,069.99 = 614,761.65/x - Step 3: Cross multiply
626,277.69x = 863,069.99 × 614,761.65 - Step 4: Simplify right side
626,277.69x = 530,582,328,044.08 - Step 5: Solve for x
x = 530,582,328,044.08/626,277.69 - Step 6: Final answer
x = 847,199.79
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1.5x scale
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.