Home / 417,931.08-627,002.73-193,453.44

Finding the Fourth Proportional to 417,931.08, 627,002.73 and 193,453.44

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Solution

The fourth proportional to 417,931.08, 627,002.73 and 193,453.44 is: 290,229.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,931.08 : 627,002.73 = 193,453.44 : x
  2. Step 2: Convert to fraction form
    417,931.08/627,002.73 = 193,453.44/x
  3. Step 3: Cross multiply
    417,931.08x = 627,002.73 × 193,453.44
  4. Step 4: Simplify right side
    417,931.08x = 121,295,835,007.89
  5. Step 5: Solve for x
    x = 121,295,835,007.89/417,931.08
  6. Step 6: Final answer
    x = 290,229.28

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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.