Finding the Fourth Proportional to 1,243,950.18, 1,717,180.92 and 836,288.46
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Solution
The fourth proportional to 1,243,950.18, 1,717,180.92 and 836,288.46 is: 1,154,434.16
Step by Step Solution
- Step 1: Write the proportion equation
1,243,950.18 : 1,717,180.92 = 836,288.46 : x - Step 2: Convert to fraction form
1,243,950.18/1,717,180.92 = 836,288.46/x - Step 3: Cross multiply
1,243,950.18x = 1,717,180.92 × 836,288.46 - Step 4: Simplify right side
1,243,950.18x = 1,436,058,587,128.18 - Step 5: Solve for x
x = 1,436,058,587,128.18/1,243,950.18 - Step 6: Final answer
x = 1,154,434.16
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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.