Finding the Fourth Proportional to 2,984,874.99, 4,477,312.49 and 741,012.99
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Solution
The fourth proportional to 2,984,874.99, 4,477,312.49 and 741,012.99 is: 1,111,519.49
Step by Step Solution
- Step 1: Write the proportion equation
2,984,874.99 : 4,477,312.49 = 741,012.99 : x - Step 2: Convert to fraction form
2,984,874.99/4,477,312.49 = 741,012.99/x - Step 3: Cross multiply
2,984,874.99x = 4,477,312.49 × 741,012.99 - Step 4: Simplify right side
2,984,874.99x = 3,317,746,711,674.18 - Step 5: Solve for x
x = 3,317,746,711,674.18/2,984,874.99 - Step 6: Final answer
x = 1,111,519.49
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Double scale
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Similar ratio
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1.5x scale
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.