Finding the Fourth Proportional to 779,936.13, 1,169,129.16 and 542,780.58
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Solution
The fourth proportional to 779,936.13, 1,169,129.16 and 542,780.58 is: 813,631.50
Step by Step Solution
- Step 1: Write the proportion equation
779,936.13 : 1,169,129.16 = 542,780.58 : x - Step 2: Convert to fraction form
779,936.13/1,169,129.16 = 542,780.58/x - Step 3: Cross multiply
779,936.13x = 1,169,129.16 × 542,780.58 - Step 4: Simplify right side
779,936.13x = 634,580,603,559.71 - Step 5: Solve for x
x = 634,580,603,559.71/779,936.13 - Step 6: Final answer
x = 813,631.50
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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.