Finding the Fourth Proportional to 1,046,988.22, 1,444,878.81 and 581,861.68
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Solution
The fourth proportional to 1,046,988.22, 1,444,878.81 and 581,861.68 is: 802,988.61
Step by Step Solution
- Step 1: Write the proportion equation
1,046,988.22 : 1,444,878.81 = 581,861.68 : x - Step 2: Convert to fraction form
1,046,988.22/1,444,878.81 = 581,861.68/x - Step 3: Cross multiply
1,046,988.22x = 1,444,878.81 × 581,861.68 - Step 4: Simplify right side
1,046,988.22x = 840,719,611,783.00 - Step 5: Solve for x
x = 840,719,611,783.00/1,046,988.22 - Step 6: Final answer
x = 802,988.61
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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.