Home / 364,629.80-546,944.70-321,327.20

Finding the Fourth Proportional to 364,629.80, 546,944.70 and 321,327.20

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Solution

The fourth proportional to 364,629.80, 546,944.70 and 321,327.20 is: 481,990.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,629.80 : 546,944.70 = 321,327.20 : x
  2. Step 2: Convert to fraction form
    364,629.80/546,944.70 = 321,327.20/x
  3. Step 3: Cross multiply
    364,629.80x = 546,944.70 × 321,327.20
  4. Step 4: Simplify right side
    364,629.80x = 175,748,209,005.84
  5. Step 5: Solve for x
    x = 175,748,209,005.84/364,629.80
  6. Step 6: Final answer
    x = 481,990.80

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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.