Finding the Fourth Proportional to 1,193,177.80, 1,646,585.63 and 656,633.80
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Solution
The fourth proportional to 1,193,177.80, 1,646,585.63 and 656,633.80 is: 906,154.79
Step by Step Solution
- Step 1: Write the proportion equation
1,193,177.80 : 1,646,585.63 = 656,633.80 : x - Step 2: Convert to fraction form
1,193,177.80/1,646,585.63 = 656,633.80/x - Step 3: Cross multiply
1,193,177.80x = 1,646,585.63 × 656,633.80 - Step 4: Simplify right side
1,193,177.80x = 1,081,203,779,252.29 - Step 5: Solve for x
x = 1,081,203,779,252.29/1,193,177.80 - Step 6: Final answer
x = 906,154.79
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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.