Home / 1,298,112.60-1,947,193.97-399,553.41

Finding the Fourth Proportional to 1,298,112.60, 1,947,193.97 and 399,553.41

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Solution

The fourth proportional to 1,298,112.60, 1,947,193.97 and 399,553.41 is: 599,337.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,112.60 : 1,947,193.97 = 399,553.41 : x
  2. Step 2: Convert to fraction form
    1,298,112.60/1,947,193.97 = 399,553.41/x
  3. Step 3: Cross multiply
    1,298,112.60x = 1,947,193.97 × 399,553.41
  4. Step 4: Simplify right side
    1,298,112.60x = 778,007,995,949.15
  5. Step 5: Solve for x
    x = 778,007,995,949.15/1,298,112.60
  6. Step 6: Final answer
    x = 599,337.83

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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.