Home / 639,269.01-882,177.48-352,786.59

Finding the Fourth Proportional to 639,269.01, 882,177.48 and 352,786.59

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Solution

The fourth proportional to 639,269.01, 882,177.48 and 352,786.59 is: 486,837.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,269.01 : 882,177.48 = 352,786.59 : x
  2. Step 2: Convert to fraction form
    639,269.01/882,177.48 = 352,786.59/x
  3. Step 3: Cross multiply
    639,269.01x = 882,177.48 × 352,786.59
  4. Step 4: Simplify right side
    639,269.01x = 311,220,384,943.99
  5. Step 5: Solve for x
    x = 311,220,384,943.99/639,269.01
  6. Step 6: Final answer
    x = 486,837.90

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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.