Home / 639,262.27-882,513.62-466,986.79

Finding the Fourth Proportional to 639,262.27, 882,513.62 and 466,986.79

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Solution

The fourth proportional to 639,262.27, 882,513.62 and 466,986.79 is: 644,684.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,262.27 : 882,513.62 = 466,986.79 : x
  2. Step 2: Convert to fraction form
    639,262.27/882,513.62 = 466,986.79/x
  3. Step 3: Cross multiply
    639,262.27x = 882,513.62 × 466,986.79
  4. Step 4: Simplify right side
    639,262.27x = 412,122,202,535.08
  5. Step 5: Solve for x
    x = 412,122,202,535.08/639,262.27
  6. Step 6: Final answer
    x = 644,684.07

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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.