Home / 882,314.25-1,323,668.21-321,348.75

Finding the Fourth Proportional to 882,314.25, 1,323,668.21 and 321,348.75

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Solution

The fourth proportional to 882,314.25, 1,323,668.21 and 321,348.75 is: 482,094.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,314.25 : 1,323,668.21 = 321,348.75 : x
  2. Step 2: Convert to fraction form
    882,314.25/1,323,668.21 = 321,348.75/x
  3. Step 3: Cross multiply
    882,314.25x = 1,323,668.21 × 321,348.75
  4. Step 4: Simplify right side
    882,314.25x = 425,359,123,091.49
  5. Step 5: Solve for x
    x = 425,359,123,091.49/882,314.25
  6. Step 6: Final answer
    x = 482,094.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.