Finding the Fourth Proportional to 1,680,883.18, 2,319,728.40 and 955,798.36
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Solution
The fourth proportional to 1,680,883.18, 2,319,728.40 and 955,798.36 is: 1,319,064.07
Step by Step Solution
- Step 1: Write the proportion equation
1,680,883.18 : 2,319,728.40 = 955,798.36 : x - Step 2: Convert to fraction form
1,680,883.18/2,319,728.40 = 955,798.36/x - Step 3: Cross multiply
1,680,883.18x = 2,319,728.40 × 955,798.36 - Step 4: Simplify right side
1,680,883.18x = 2,217,192,600,365.42 - Step 5: Solve for x
x = 2,217,192,600,365.42/1,680,883.18 - Step 6: Final answer
x = 1,319,064.07
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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.