Finding the Fourth Proportional to 1,478,699.01, 2,218,066.11 and 519,178.68
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Solution
The fourth proportional to 1,478,699.01, 2,218,066.11 and 519,178.68 is: 778,774.20
Step by Step Solution
- Step 1: Write the proportion equation
1,478,699.01 : 2,218,066.11 = 519,178.68 : x - Step 2: Convert to fraction form
1,478,699.01/2,218,066.11 = 519,178.68/x - Step 3: Cross multiply
1,478,699.01x = 2,218,066.11 × 519,178.68 - Step 4: Simplify right side
1,478,699.01x = 1,151,572,635,142.53 - Step 5: Solve for x
x = 1,151,572,635,142.53/1,478,699.01 - Step 6: Final answer
x = 778,774.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.