Finding the Fourth Proportional to 1,665,953.07, 2,498,929.64 and 403,780.70
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Solution
The fourth proportional to 1,665,953.07, 2,498,929.64 and 403,780.70 is: 605,671.06
Step by Step Solution
- Step 1: Write the proportion equation
1,665,953.07 : 2,498,929.64 = 403,780.70 : x - Step 2: Convert to fraction form
1,665,953.07/2,498,929.64 = 403,780.70/x - Step 3: Cross multiply
1,665,953.07x = 2,498,929.64 × 403,780.70 - Step 4: Simplify right side
1,665,953.07x = 1,009,019,559,289.95 - Step 5: Solve for x
x = 1,009,019,559,289.95/1,665,953.07 - Step 6: Final answer
x = 605,671.06
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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.