Finding the Fourth Proportional to 1,417,830.74, 1,956,528.63 and 805,898.42
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Solution
The fourth proportional to 1,417,830.74, 1,956,528.63 and 805,898.42 is: 1,112,095.60
Step by Step Solution
- Step 1: Write the proportion equation
1,417,830.74 : 1,956,528.63 = 805,898.42 : x - Step 2: Convert to fraction form
1,417,830.74/1,956,528.63 = 805,898.42/x - Step 3: Cross multiply
1,417,830.74x = 1,956,528.63 × 805,898.42 - Step 4: Simplify right side
1,417,830.74x = 1,576,763,321,819.12 - Step 5: Solve for x
x = 1,576,763,321,819.12/1,417,830.74 - Step 6: Final answer
x = 1,112,095.60
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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.