Finding the Fourth Proportional to 1,135,909.83, 1,567,560.05 and 619,674.75
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Solution
The fourth proportional to 1,135,909.83, 1,567,560.05 and 619,674.75 is: 855,153.60
Step by Step Solution
- Step 1: Write the proportion equation
1,135,909.83 : 1,567,560.05 = 619,674.75 : x - Step 2: Convert to fraction form
1,135,909.83/1,567,560.05 = 619,674.75/x - Step 3: Cross multiply
1,135,909.83x = 1,567,560.05 × 619,674.75 - Step 4: Simplify right side
1,135,909.83x = 971,377,378,995.36 - Step 5: Solve for x
x = 971,377,378,995.36/1,135,909.83 - Step 6: Final answer
x = 855,153.60
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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.