Finding the Fourth Proportional to 1,477,857.84, 2,039,466.48 and 865,864.17
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Solution
The fourth proportional to 1,477,857.84, 2,039,466.48 and 865,864.17 is: 1,194,905.83
Step by Step Solution
- Step 1: Write the proportion equation
1,477,857.84 : 2,039,466.48 = 865,864.17 : x - Step 2: Convert to fraction form
1,477,857.84/2,039,466.48 = 865,864.17/x - Step 3: Cross multiply
1,477,857.84x = 2,039,466.48 × 865,864.17 - Step 4: Simplify right side
1,477,857.84x = 1,765,900,950,948.02 - Step 5: Solve for x
x = 1,765,900,950,948.02/1,477,857.84 - Step 6: Final answer
x = 1,194,905.83
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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.