Finding the Fourth Proportional to 1,312,857.86, 1,968,813.36 and 554,758.08
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Solution
The fourth proportional to 1,312,857.86, 1,968,813.36 and 554,758.08 is: 831,937.07
Step by Step Solution
- Step 1: Write the proportion equation
1,312,857.86 : 1,968,813.36 = 554,758.08 : x - Step 2: Convert to fraction form
1,312,857.86/1,968,813.36 = 554,758.08/x - Step 3: Cross multiply
1,312,857.86x = 1,968,813.36 × 554,758.08 - Step 4: Simplify right side
1,312,857.86x = 1,092,215,119,471.95 - Step 5: Solve for x
x = 1,092,215,119,471.95/1,312,857.86 - Step 6: Final answer
x = 831,937.07
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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.