Finding the Fourth Proportional to 1,191,206.93, 1,643,881.58 and 647,353.49
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Solution
The fourth proportional to 1,191,206.93, 1,643,881.58 and 647,353.49 is: 893,356.52
Step by Step Solution
- Step 1: Write the proportion equation
1,191,206.93 : 1,643,881.58 = 647,353.49 : x - Step 2: Convert to fraction form
1,191,206.93/1,643,881.58 = 647,353.49/x - Step 3: Cross multiply
1,191,206.93x = 1,643,881.58 × 647,353.49 - Step 4: Simplify right side
1,191,206.93x = 1,064,172,474,722.95 - Step 5: Solve for x
x = 1,064,172,474,722.95/1,191,206.93 - Step 6: Final answer
x = 893,356.52
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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.