Finding the Fourth Proportional to 1,173,765.96, 1,619,772.66 and 637,221.96
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Solution
The fourth proportional to 1,173,765.96, 1,619,772.66 and 637,221.96 is: 879,353.08
Step by Step Solution
- Step 1: Write the proportion equation
1,173,765.96 : 1,619,772.66 = 637,221.96 : x - Step 2: Convert to fraction form
1,173,765.96/1,619,772.66 = 637,221.96/x - Step 3: Cross multiply
1,173,765.96x = 1,619,772.66 × 637,221.96 - Step 4: Simplify right side
1,173,765.96x = 1,032,154,709,159.61 - Step 5: Solve for x
x = 1,032,154,709,159.61/1,173,765.96 - Step 6: Final answer
x = 879,353.08
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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.