Finding the Fourth Proportional to 1,246,554.29, 1,720,141.47 and 702,823.79
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Solution
The fourth proportional to 1,246,554.29, 1,720,141.47 and 702,823.79 is: 969,838.50
Step by Step Solution
- Step 1: Write the proportion equation
1,246,554.29 : 1,720,141.47 = 702,823.79 : x - Step 2: Convert to fraction form
1,246,554.29/1,720,141.47 = 702,823.79/x - Step 3: Cross multiply
1,246,554.29x = 1,720,141.47 × 702,823.79 - Step 4: Simplify right side
1,246,554.29x = 1,208,956,338,680.86 - Step 5: Solve for x
x = 1,208,956,338,680.86/1,246,554.29 - Step 6: Final answer
x = 969,838.50
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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.