Finding the Fourth Proportional to 1,941,643.17, 2,913,776.36 and 679,481.73
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Solution
The fourth proportional to 1,941,643.17, 2,913,776.36 and 679,481.73 is: 1,019,681.59
Step by Step Solution
- Step 1: Write the proportion equation
1,941,643.17 : 2,913,776.36 = 679,481.73 : x - Step 2: Convert to fraction form
1,941,643.17/2,913,776.36 = 679,481.73/x - Step 3: Cross multiply
1,941,643.17x = 2,913,776.36 × 679,481.73 - Step 4: Simplify right side
1,941,643.17x = 1,979,857,798,528.49 - Step 5: Solve for x
x = 1,979,857,798,528.49/1,941,643.17 - Step 6: Final answer
x = 1,019,681.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.