Finding the Fourth Proportional to 1,717,776.24, 2,576,331.90 and 519,417.60
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Solution
The fourth proportional to 1,717,776.24, 2,576,331.90 and 519,417.60 is: 779,025.87
Step by Step Solution
- Step 1: Write the proportion equation
1,717,776.24 : 2,576,331.90 = 519,417.60 : x - Step 2: Convert to fraction form
1,717,776.24/2,576,331.90 = 519,417.60/x - Step 3: Cross multiply
1,717,776.24x = 2,576,331.90 × 519,417.60 - Step 4: Simplify right side
1,717,776.24x = 1,338,192,132,301.44 - Step 5: Solve for x
x = 1,338,192,132,301.44/1,717,776.24 - Step 6: Final answer
x = 779,025.87
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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.