Home / 814,048.36-1,221,309.66-364,669

Finding the Fourth Proportional to 814,048.36, 1,221,309.66 and 364,669

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Solution

The fourth proportional to 814,048.36, 1,221,309.66 and 364,669 is: 547,109.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,048.36 : 1,221,309.66 = 364,669 : x
  2. Step 2: Convert to fraction form
    814,048.36/1,221,309.66 = 364,669/x
  3. Step 3: Cross multiply
    814,048.36x = 1,221,309.66 × 364,669
  4. Step 4: Simplify right side
    814,048.36x = 445,373,772,402.54
  5. Step 5: Solve for x
    x = 445,373,772,402.54/814,048.36
  6. Step 6: Final answer
    x = 547,109.72

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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.