Finding the Fourth Proportional to 1,177,921.44, 1,623,590.64 and 833,312.16
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Solution
The fourth proportional to 1,177,921.44, 1,623,590.64 and 833,312.16 is: 1,148,597.67
Step by Step Solution
- Step 1: Write the proportion equation
1,177,921.44 : 1,623,590.64 = 833,312.16 : x - Step 2: Convert to fraction form
1,177,921.44/1,623,590.64 = 833,312.16/x - Step 3: Cross multiply
1,177,921.44x = 1,623,590.64 × 833,312.16 - Step 4: Simplify right side
1,177,921.44x = 1,352,957,823,174.18 - Step 5: Solve for x
x = 1,352,957,823,174.18/1,177,921.44 - Step 6: Final answer
x = 1,148,597.67
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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.