Finding the Fourth Proportional to 1,691,506.19, 2,334,134.21 and 956,424.43
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Solution
The fourth proportional to 1,691,506.19, 2,334,134.21 and 956,424.43 is: 1,319,784.09
Step by Step Solution
- Step 1: Write the proportion equation
1,691,506.19 : 2,334,134.21 = 956,424.43 : x - Step 2: Convert to fraction form
1,691,506.19/2,334,134.21 = 956,424.43/x - Step 3: Cross multiply
1,691,506.19x = 2,334,134.21 × 956,424.43 - Step 4: Simplify right side
1,691,506.19x = 2,232,422,966,348.79 - Step 5: Solve for x
x = 2,232,422,966,348.79/1,691,506.19 - Step 6: Final answer
x = 1,319,784.09
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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.