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Finding the Fourth Proportional to 1,847,728, 2,549,872.32 and 999,856

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Solution

The fourth proportional to 1,847,728, 2,549,872.32 and 999,856 is: 1,379,805.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847,728 : 2,549,872.32 = 999,856 : x
  2. Step 2: Convert to fraction form
    1,847,728/2,549,872.32 = 999,856/x
  3. Step 3: Cross multiply
    1,847,728x = 2,549,872.32 × 999,856
  4. Step 4: Simplify right side
    1,847,728x = 2,549,505,138,385.92
  5. Step 5: Solve for x
    x = 2,549,505,138,385.92/1,847,728
  6. Step 6: Final answer
    x = 1,379,805.44

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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.