Finding the Fourth Proportional to 1,125,203.86, 1,552,863.72 and 641,781.18
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Solution
The fourth proportional to 1,125,203.86, 1,552,863.72 and 641,781.18 is: 885,705.02
Step by Step Solution
- Step 1: Write the proportion equation
1,125,203.86 : 1,552,863.72 = 641,781.18 : x - Step 2: Convert to fraction form
1,125,203.86/1,552,863.72 = 641,781.18/x - Step 3: Cross multiply
1,125,203.86x = 1,552,863.72 × 641,781.18 - Step 4: Simplify right side
1,125,203.86x = 996,598,713,007.47 - Step 5: Solve for x
x = 996,598,713,007.47/1,125,203.86 - Step 6: Final answer
x = 885,705.02
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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.