Home / 1,673,184.72-2,309,330.16-993,990

Finding the Fourth Proportional to 1,673,184.72, 2,309,330.16 and 993,990

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Solution

The fourth proportional to 1,673,184.72, 2,309,330.16 and 993,990 is: 1,371,905.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,184.72 : 2,309,330.16 = 993,990 : x
  2. Step 2: Convert to fraction form
    1,673,184.72/2,309,330.16 = 993,990/x
  3. Step 3: Cross multiply
    1,673,184.72x = 2,309,330.16 × 993,990
  4. Step 4: Simplify right side
    1,673,184.72x = 2,295,451,085,738.40
  5. Step 5: Solve for x
    x = 2,295,451,085,738.40/1,673,184.72
  6. Step 6: Final answer
    x = 1,371,905.36

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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.