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Finding the Fourth Proportional to 1,791,927.54, 2,687,918.66 and 654,920.82

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Solution

The fourth proportional to 1,791,927.54, 2,687,918.66 and 654,920.82 is: 982,391.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,927.54 : 2,687,918.66 = 654,920.82 : x
  2. Step 2: Convert to fraction form
    1,791,927.54/2,687,918.66 = 654,920.82/x
  3. Step 3: Cross multiply
    1,791,927.54x = 2,687,918.66 × 654,920.82
  4. Step 4: Simplify right side
    1,791,927.54x = 1,760,373,892,900.50
  5. Step 5: Solve for x
    x = 1,760,373,892,900.50/1,791,927.54
  6. Step 6: Final answer
    x = 982,391.23

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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.