Finding the Fourth Proportional to 873,659.52, 1,206,022.14 and 587,345.67
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Solution
The fourth proportional to 873,659.52, 1,206,022.14 and 587,345.67 is: 810,787.12
Step by Step Solution
- Step 1: Write the proportion equation
873,659.52 : 1,206,022.14 = 587,345.67 : x - Step 2: Convert to fraction form
873,659.52/1,206,022.14 = 587,345.67/x - Step 3: Cross multiply
873,659.52x = 1,206,022.14 × 587,345.67 - Step 4: Simplify right side
873,659.52x = 708,351,881,853.13 - Step 5: Solve for x
x = 708,351,881,853.13/873,659.52 - Step 6: Final answer
x = 810,787.12
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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.