Finding the Fourth Proportional to 1,778,345.36, 2,666,176.50 and 579,551.84
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Solution
The fourth proportional to 1,778,345.36, 2,666,176.50 and 579,551.84 is: 868,890.56
Step by Step Solution
- Step 1: Write the proportion equation
1,778,345.36 : 2,666,176.50 = 579,551.84 : x - Step 2: Convert to fraction form
1,778,345.36/2,666,176.50 = 579,551.84/x - Step 3: Cross multiply
1,778,345.36x = 2,666,176.50 × 579,551.84 - Step 4: Simplify right side
1,778,345.36x = 1,545,187,496,339.76 - Step 5: Solve for x
x = 1,545,187,496,339.76/1,778,345.36 - Step 6: Final answer
x = 868,890.56
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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.