Home / 882,523.08-1,323,520.74-321,426.36

Finding the Fourth Proportional to 882,523.08, 1,323,520.74 and 321,426.36

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Solution

The fourth proportional to 882,523.08, 1,323,520.74 and 321,426.36 is: 482,043.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,523.08 : 1,323,520.74 = 321,426.36 : x
  2. Step 2: Convert to fraction form
    882,523.08/1,323,520.74 = 321,426.36/x
  3. Step 3: Cross multiply
    882,523.08x = 1,323,520.74 × 321,426.36
  4. Step 4: Simplify right side
    882,523.08x = 425,414,453,842.71
  5. Step 5: Solve for x
    x = 425,414,453,842.71/882,523.08
  6. Step 6: Final answer
    x = 482,043.43

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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.