Home / 814,047.36-1,221,308.16-364,668

Finding the Fourth Proportional to 814,047.36, 1,221,308.16 and 364,668

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Solution

The fourth proportional to 814,047.36, 1,221,308.16 and 364,668 is: 547,108.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,047.36 : 1,221,308.16 = 364,668 : x
  2. Step 2: Convert to fraction form
    814,047.36/1,221,308.16 = 364,668/x
  3. Step 3: Cross multiply
    814,047.36x = 1,221,308.16 × 364,668
  4. Step 4: Simplify right side
    814,047.36x = 445,372,004,090.88
  5. Step 5: Solve for x
    x = 445,372,004,090.88/814,047.36
  6. Step 6: Final answer
    x = 547,108.22

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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.