Finding the Fourth Proportional to 1,919,342.43, 2,879,021.78 and 499,295.99
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Solution
The fourth proportional to 1,919,342.43, 2,879,021.78 and 499,295.99 is: 748,946.09
Step by Step Solution
- Step 1: Write the proportion equation
1,919,342.43 : 2,879,021.78 = 499,295.99 : x - Step 2: Convert to fraction form
1,919,342.43/2,879,021.78 = 499,295.99/x - Step 3: Cross multiply
1,919,342.43x = 2,879,021.78 × 499,295.99 - Step 4: Simplify right side
1,919,342.43x = 1,437,484,012,985.07 - Step 5: Solve for x
x = 1,437,484,012,985.07/1,919,342.43 - Step 6: Final answer
x = 748,946.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.