Finding the Fourth Proportional to 1,475,859.84, 2,036,839.68 and 903,281.28
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Solution
The fourth proportional to 1,475,859.84, 2,036,839.68 and 903,281.28 is: 1,246,621.87
Step by Step Solution
- Step 1: Write the proportion equation
1,475,859.84 : 2,036,839.68 = 903,281.28 : x - Step 2: Convert to fraction form
1,475,859.84/2,036,839.68 = 903,281.28/x - Step 3: Cross multiply
1,475,859.84x = 2,036,839.68 × 903,281.28 - Step 4: Simplify right side
1,475,859.84x = 1,839,839,153,305.19 - Step 5: Solve for x
x = 1,839,839,153,305.19/1,475,859.84 - Step 6: Final answer
x = 1,246,621.87
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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.