Finding the Fourth Proportional to 1,192,354.96, 1,645,877.88 and 708,918.95
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Solution
The fourth proportional to 1,192,354.96, 1,645,877.88 and 708,918.95 is: 978,562.65
Step by Step Solution
- Step 1: Write the proportion equation
1,192,354.96 : 1,645,877.88 = 708,918.95 : x - Step 2: Convert to fraction form
1,192,354.96/1,645,877.88 = 708,918.95/x - Step 3: Cross multiply
1,192,354.96x = 1,645,877.88 × 708,918.95 - Step 4: Simplify right side
1,192,354.96x = 1,166,794,022,632.52 - Step 5: Solve for x
x = 1,166,794,022,632.52/1,192,354.96 - Step 6: Final answer
x = 978,562.65
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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.