Home / 639,221.76-882,096.06-367,097.80

Finding the Fourth Proportional to 639,221.76, 882,096.06 and 367,097.80

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Solution

The fourth proportional to 639,221.76, 882,096.06 and 367,097.80 is: 506,577.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,221.76 : 882,096.06 = 367,097.80 : x
  2. Step 2: Convert to fraction form
    639,221.76/882,096.06 = 367,097.80/x
  3. Step 3: Cross multiply
    639,221.76x = 882,096.06 × 367,097.80
  4. Step 4: Simplify right side
    639,221.76x = 323,815,523,014.67
  5. Step 5: Solve for x
    x = 323,815,523,014.67/639,221.76
  6. Step 6: Final answer
    x = 506,577.75

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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.