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Finding the Fourth Proportional to 1,799,658.57, 2,698,942.59 and 946,270.38

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Solution

The fourth proportional to 1,799,658.57, 2,698,942.59 and 946,270.38 is: 1,419,118.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,799,658.57 : 2,698,942.59 = 946,270.38 : x
  2. Step 2: Convert to fraction form
    1,799,658.57/2,698,942.59 = 946,270.38/x
  3. Step 3: Cross multiply
    1,799,658.57x = 2,698,942.59 × 946,270.38
  4. Step 4: Simplify right side
    1,799,658.57x = 2,553,929,430,237.48
  5. Step 5: Solve for x
    x = 2,553,929,430,237.48/1,799,658.57
  6. Step 6: Final answer
    x = 1,419,118.87

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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.