Finding the Fourth Proportional to 1,461,459.12, 2,192,189.75 and 396,501.09
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Solution
The fourth proportional to 1,461,459.12, 2,192,189.75 and 396,501.09 is: 594,751.92
Step by Step Solution
- Step 1: Write the proportion equation
1,461,459.12 : 2,192,189.75 = 396,501.09 : x - Step 2: Convert to fraction form
1,461,459.12/2,192,189.75 = 396,501.09/x - Step 3: Cross multiply
1,461,459.12x = 2,192,189.75 × 396,501.09 - Step 4: Simplify right side
1,461,459.12x = 869,205,623,379.32 - Step 5: Solve for x
x = 869,205,623,379.32/1,461,459.12 - Step 6: Final answer
x = 594,751.92
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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.