Home / 433,627.92-650,438.23-338,937.75

Finding the Fourth Proportional to 433,627.92, 650,438.23 and 338,937.75

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Solution

The fourth proportional to 433,627.92, 650,438.23 and 338,937.75 is: 508,403.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,627.92 : 650,438.23 = 338,937.75 : x
  2. Step 2: Convert to fraction form
    433,627.92/650,438.23 = 338,937.75/x
  3. Step 3: Cross multiply
    433,627.92x = 650,438.23 × 338,937.75
  4. Step 4: Simplify right side
    433,627.92x = 220,458,068,495.49
  5. Step 5: Solve for x
    x = 220,458,068,495.49/433,627.92
  6. Step 6: Final answer
    x = 508,403.77

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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.