Finding the Fourth Proportional to 6,252,453.26, 8,628,385.50 and 3,390,885.26
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Solution
The fourth proportional to 6,252,453.26, 8,628,385.50 and 3,390,885.26 is: 4,679,421.66
Step by Step Solution
- Step 1: Write the proportion equation
6,252,453.26 : 8,628,385.50 = 3,390,885.26 : x - Step 2: Convert to fraction form
6,252,453.26/8,628,385.50 = 3,390,885.26/x - Step 3: Cross multiply
6,252,453.26x = 8,628,385.50 × 3,390,885.26 - Step 4: Simplify right side
6,252,453.26x = 29,257,865,209,547.73 - Step 5: Solve for x
x = 29,257,865,209,547.73/6,252,453.26 - Step 6: Final answer
x = 4,679,421.66
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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.