Finding the Fourth Proportional to 1,567,259.70, 2,350,889.55 and 1,007,387.70
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Solution
The fourth proportional to 1,567,259.70, 2,350,889.55 and 1,007,387.70 is: 1,511,081.55
Step by Step Solution
- Step 1: Write the proportion equation
1,567,259.70 : 2,350,889.55 = 1,007,387.70 : x - Step 2: Convert to fraction form
1,567,259.70/2,350,889.55 = 1,007,387.70/x - Step 3: Cross multiply
1,567,259.70x = 2,350,889.55 × 1,007,387.70 - Step 4: Simplify right side
1,567,259.70x = 2,368,257,216,728.53 - Step 5: Solve for x
x = 2,368,257,216,728.53/1,567,259.70 - Step 6: Final answer
x = 1,511,081.55
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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.