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Finding the Fourth Proportional to 1,192,906, 1,646,244.84 and 656,362

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Solution

The fourth proportional to 1,192,906, 1,646,244.84 and 656,362 is: 905,798.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,906 : 1,646,244.84 = 656,362 : x
  2. Step 2: Convert to fraction form
    1,192,906/1,646,244.84 = 656,362/x
  3. Step 3: Cross multiply
    1,192,906x = 1,646,244.84 × 656,362
  4. Step 4: Simplify right side
    1,192,906x = 1,080,532,555,672.08
  5. Step 5: Solve for x
    x = 1,080,532,555,672.08/1,192,906
  6. Step 6: Final answer
    x = 905,798.58

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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.