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Finding the Fourth Proportional to 1,097,843.52, 1,648,649.88 and 673,869

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Solution

The fourth proportional to 1,097,843.52, 1,648,649.88 and 673,869 is: 1,011,960.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,843.52 : 1,648,649.88 = 673,869 : x
  2. Step 2: Convert to fraction form
    1,097,843.52/1,648,649.88 = 673,869/x
  3. Step 3: Cross multiply
    1,097,843.52x = 1,648,649.88 × 673,869
  4. Step 4: Simplify right side
    1,097,843.52x = 1,110,974,045,985.72
  5. Step 5: Solve for x
    x = 1,110,974,045,985.72/1,097,843.52
  6. Step 6: Final answer
    x = 1,011,960.29

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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.