Home / 431,979.86-647,895.95-116,362.95

Finding the Fourth Proportional to 431,979.86, 647,895.95 and 116,362.95

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Solution

The fourth proportional to 431,979.86, 647,895.95 and 116,362.95 is: 174,524.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,979.86 : 647,895.95 = 116,362.95 : x
  2. Step 2: Convert to fraction form
    431,979.86/647,895.95 = 116,362.95/x
  3. Step 3: Cross multiply
    431,979.86x = 647,895.95 × 116,362.95
  4. Step 4: Simplify right side
    431,979.86x = 75,391,083,453.24
  5. Step 5: Solve for x
    x = 75,391,083,453.24/431,979.86
  6. Step 6: Final answer
    x = 174,524.54

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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.