Finding the Fourth Proportional to 1,869,556.28, 2,804,807.50 and 521,718.71
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Solution
The fourth proportional to 1,869,556.28, 2,804,807.50 and 521,718.71 is: 782,710.08
Step by Step Solution
- Step 1: Write the proportion equation
1,869,556.28 : 2,804,807.50 = 521,718.71 : x - Step 2: Convert to fraction form
1,869,556.28/2,804,807.50 = 521,718.71/x - Step 3: Cross multiply
1,869,556.28x = 2,804,807.50 × 521,718.71 - Step 4: Simplify right side
1,869,556.28x = 1,463,320,535,369.99 - Step 5: Solve for x
x = 1,463,320,535,369.99/1,869,556.28 - Step 6: Final answer
x = 782,710.08
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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.