Finding the Fourth Proportional to 1,242,193.81, 1,714,230.29 and 698,334.07
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Solution
The fourth proportional to 1,242,193.81, 1,714,230.29 and 698,334.07 is: 963,702.61
Step by Step Solution
- Step 1: Write the proportion equation
1,242,193.81 : 1,714,230.29 = 698,334.07 : x - Step 2: Convert to fraction form
1,242,193.81/1,714,230.29 = 698,334.07/x - Step 3: Cross multiply
1,242,193.81x = 1,714,230.29 × 698,334.07 - Step 4: Simplify right side
1,242,193.81x = 1,197,105,415,332.98 - Step 5: Solve for x
x = 1,197,105,415,332.98/1,242,193.81 - Step 6: Final answer
x = 963,702.61
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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.