Finding the Fourth Proportional to 1,272,637.08, 1,910,338.84 and 515,000.16
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Solution
The fourth proportional to 1,272,637.08, 1,910,338.84 and 515,000.16 is: 773,059.99
Step by Step Solution
- Step 1: Write the proportion equation
1,272,637.08 : 1,910,338.84 = 515,000.16 : x - Step 2: Convert to fraction form
1,272,637.08/1,910,338.84 = 515,000.16/x - Step 3: Cross multiply
1,272,637.08x = 1,910,338.84 × 515,000.16 - Step 4: Simplify right side
1,272,637.08x = 983,824,808,254.21 - Step 5: Solve for x
x = 983,824,808,254.21/1,272,637.08 - Step 6: Final answer
x = 773,059.99
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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.