Home / 639,593.10-882,615.26-349,199.30

Finding the Fourth Proportional to 639,593.10, 882,615.26 and 349,199.30

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Solution

The fourth proportional to 639,593.10, 882,615.26 and 349,199.30 is: 481,882.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,593.10 : 882,615.26 = 349,199.30 : x
  2. Step 2: Convert to fraction form
    639,593.10/882,615.26 = 349,199.30/x
  3. Step 3: Cross multiply
    639,593.10x = 882,615.26 × 349,199.30
  4. Step 4: Simplify right side
    639,593.10x = 308,208,630,961.32
  5. Step 5: Solve for x
    x = 308,208,630,961.32/639,593.10
  6. Step 6: Final answer
    x = 481,882.36

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1.5x scale

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.