Finding the Fourth Proportional to 1,284,740.36, 1,772,864.87 and 711,739.07
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Solution
The fourth proportional to 1,284,740.36, 1,772,864.87 and 711,739.07 is: 982,157.35
Step by Step Solution
- Step 1: Write the proportion equation
1,284,740.36 : 1,772,864.87 = 711,739.07 : x - Step 2: Convert to fraction form
1,284,740.36/1,772,864.87 = 711,739.07/x - Step 3: Cross multiply
1,284,740.36x = 1,772,864.87 × 711,739.07 - Step 4: Simplify right side
1,284,740.36x = 1,261,817,192,038.23 - Step 5: Solve for x
x = 1,261,817,192,038.23/1,284,740.36 - Step 6: Final answer
x = 982,157.35
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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.