Home / 416,339.28-624,507.96-321,707.04

Finding the Fourth Proportional to 416,339.28, 624,507.96 and 321,707.04

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Solution

The fourth proportional to 416,339.28, 624,507.96 and 321,707.04 is: 482,559.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,339.28 : 624,507.96 = 321,707.04 : x
  2. Step 2: Convert to fraction form
    416,339.28/624,507.96 = 321,707.04/x
  3. Step 3: Cross multiply
    416,339.28x = 624,507.96 × 321,707.04
  4. Step 4: Simplify right side
    416,339.28x = 200,908,607,268.04
  5. Step 5: Solve for x
    x = 200,908,607,268.04/416,339.28
  6. Step 6: Final answer
    x = 482,559.82

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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.