Finding the Fourth Proportional to 2,312,843.40, 3,469,595.58 and 715,542.84
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Solution
The fourth proportional to 2,312,843.40, 3,469,595.58 and 715,542.84 is: 1,073,416.50
Step by Step Solution
- Step 1: Write the proportion equation
2,312,843.40 : 3,469,595.58 = 715,542.84 : x - Step 2: Convert to fraction form
2,312,843.40/3,469,595.58 = 715,542.84/x - Step 3: Cross multiply
2,312,843.40x = 3,469,595.58 × 715,542.84 - Step 4: Simplify right side
2,312,843.40x = 2,482,644,274,964.65 - Step 5: Solve for x
x = 2,482,644,274,964.65/2,312,843.40 - Step 6: Final answer
x = 1,073,416.50
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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.