Finding the Fourth Proportional to 961,808.80, 1,327,057.68 and 621,868
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Solution
The fourth proportional to 961,808.80, 1,327,057.68 and 621,868 is: 858,023.66
Step by Step Solution
- Step 1: Write the proportion equation
961,808.80 : 1,327,057.68 = 621,868 : x - Step 2: Convert to fraction form
961,808.80/1,327,057.68 = 621,868/x - Step 3: Cross multiply
961,808.80x = 1,327,057.68 × 621,868 - Step 4: Simplify right side
961,808.80x = 825,254,705,346.24 - Step 5: Solve for x
x = 825,254,705,346.24/961,808.80 - Step 6: Final answer
x = 858,023.66
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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.