Finding the Fourth Proportional to 3,943,703.19, 5,915,554.80 and 951,887.19
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Solution
The fourth proportional to 3,943,703.19, 5,915,554.80 and 951,887.19 is: 1,427,830.79
Step by Step Solution
- Step 1: Write the proportion equation
3,943,703.19 : 5,915,554.80 = 951,887.19 : x - Step 2: Convert to fraction form
3,943,703.19/5,915,554.80 = 951,887.19/x - Step 3: Cross multiply
3,943,703.19x = 5,915,554.80 × 951,887.19 - Step 4: Simplify right side
3,943,703.19x = 5,630,940,835,863.01 - Step 5: Solve for x
x = 5,630,940,835,863.01/3,943,703.19 - Step 6: Final answer
x = 1,427,830.79
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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.