Home / 639,261.27-882,512.24-466,985.79

Finding the Fourth Proportional to 639,261.27, 882,512.24 and 466,985.79

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Solution

The fourth proportional to 639,261.27, 882,512.24 and 466,985.79 is: 644,682.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,261.27 : 882,512.24 = 466,985.79 : x
  2. Step 2: Convert to fraction form
    639,261.27/882,512.24 = 466,985.79/x
  3. Step 3: Cross multiply
    639,261.27x = 882,512.24 × 466,985.79
  4. Step 4: Simplify right side
    639,261.27x = 412,120,673,246.14
  5. Step 5: Solve for x
    x = 412,120,673,246.14/639,261.27
  6. Step 6: Final answer
    x = 644,682.69

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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.