Finding the Fourth Proportional to 1,279,807.14, 1,766,122.23 and 699,030.15
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Solution
The fourth proportional to 1,279,807.14, 1,766,122.23 and 699,030.15 is: 964,655.26
Step by Step Solution
- Step 1: Write the proportion equation
1,279,807.14 : 1,766,122.23 = 699,030.15 : x - Step 2: Convert to fraction form
1,279,807.14/1,766,122.23 = 699,030.15/x - Step 3: Cross multiply
1,279,807.14x = 1,766,122.23 × 699,030.15 - Step 4: Simplify right side
1,279,807.14x = 1,234,572,687,355.23 - Step 5: Solve for x
x = 1,234,572,687,355.23/1,279,807.14 - Step 6: Final answer
x = 964,655.26
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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.