Finding the Fourth Proportional to 1,785,963.16, 2,678,965.62 and 523,816.12
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Solution
The fourth proportional to 1,785,963.16, 2,678,965.62 and 523,816.12 is: 785,730.30
Step by Step Solution
- Step 1: Write the proportion equation
1,785,963.16 : 2,678,965.62 = 523,816.12 : x - Step 2: Convert to fraction form
1,785,963.16/2,678,965.62 = 523,816.12/x - Step 3: Cross multiply
1,785,963.16x = 2,678,965.62 × 523,816.12 - Step 4: Simplify right side
1,785,963.16x = 1,403,285,376,681.79 - Step 5: Solve for x
x = 1,403,285,376,681.79/1,785,963.16 - Step 6: Final answer
x = 785,730.30
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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.