Home / 566,323.08-781,349.94-321,267.60

Finding the Fourth Proportional to 566,323.08, 781,349.94 and 321,267.60

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Solution

The fourth proportional to 566,323.08, 781,349.94 and 321,267.60 is: 443,249.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,323.08 : 781,349.94 = 321,267.60 : x
  2. Step 2: Convert to fraction form
    566,323.08/781,349.94 = 321,267.60/x
  3. Step 3: Cross multiply
    566,323.08x = 781,349.94 × 321,267.60
  4. Step 4: Simplify right side
    566,323.08x = 251,022,419,983.94
  5. Step 5: Solve for x
    x = 251,022,419,983.94/566,323.08
  6. Step 6: Final answer
    x = 443,249.50

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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.