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Finding the Fourth Proportional to 992,707.72, 1,488,496.62 and 677,546.44

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Solution

The fourth proportional to 992,707.72, 1,488,496.62 and 677,546.44 is: 1,015,934.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,707.72 : 1,488,496.62 = 677,546.44 : x
  2. Step 2: Convert to fraction form
    992,707.72/1,488,496.62 = 677,546.44/x
  3. Step 3: Cross multiply
    992,707.72x = 1,488,496.62 × 677,546.44
  4. Step 4: Simplify right side
    992,707.72x = 1,008,525,585,833.03
  5. Step 5: Solve for x
    x = 1,008,525,585,833.03/992,707.72
  6. Step 6: Final answer
    x = 1,015,934.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.