Finding the Fourth Proportional to 1,378,596.65, 1,902,181.73 and 805,526.10
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Solution
The fourth proportional to 1,378,596.65, 1,902,181.73 and 805,526.10 is: 1,111,461.45
Step by Step Solution
- Step 1: Write the proportion equation
1,378,596.65 : 1,902,181.73 = 805,526.10 : x - Step 2: Convert to fraction form
1,378,596.65/1,902,181.73 = 805,526.10/x - Step 3: Cross multiply
1,378,596.65x = 1,902,181.73 × 805,526.10 - Step 4: Simplify right side
1,378,596.65x = 1,532,257,026,430.52 - Step 5: Solve for x
x = 1,532,257,026,430.52/1,378,596.65 - Step 6: Final answer
x = 1,111,461.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.