Finding the Fourth Proportional to 862,562.58, 1,189,174.95 and 604,091.58
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Solution
The fourth proportional to 862,562.58, 1,189,174.95 and 604,091.58 is: 832,832.99
Step by Step Solution
- Step 1: Write the proportion equation
862,562.58 : 1,189,174.95 = 604,091.58 : x - Step 2: Convert to fraction form
862,562.58/1,189,174.95 = 604,091.58/x - Step 3: Cross multiply
862,562.58x = 1,189,174.95 × 604,091.58 - Step 4: Simplify right side
862,562.58x = 718,370,574,441.92 - Step 5: Solve for x
x = 718,370,574,441.92/862,562.58 - Step 6: Final answer
x = 832,832.99
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1.5x scale
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.