Home / 639,213.59-882,164.55-367,376.33

Finding the Fourth Proportional to 639,213.59, 882,164.55 and 367,376.33

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Solution

The fourth proportional to 639,213.59, 882,164.55 and 367,376.33 is: 507,007.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,213.59 : 882,164.55 = 367,376.33 : x
  2. Step 2: Convert to fraction form
    639,213.59/882,164.55 = 367,376.33/x
  3. Step 3: Cross multiply
    639,213.59x = 882,164.55 × 367,376.33
  4. Step 4: Simplify right side
    639,213.59x = 324,086,374,835.10
  5. Step 5: Solve for x
    x = 324,086,374,835.10/639,213.59
  6. Step 6: Final answer
    x = 507,007.95

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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.