Home / 475,895.52-656,724.24-306,129.24

Finding the Fourth Proportional to 475,895.52, 656,724.24 and 306,129.24

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Solution

The fourth proportional to 475,895.52, 656,724.24 and 306,129.24 is: 422,450.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,895.52 : 656,724.24 = 306,129.24 : x
  2. Step 2: Convert to fraction form
    475,895.52/656,724.24 = 306,129.24/x
  3. Step 3: Cross multiply
    475,895.52x = 656,724.24 × 306,129.24
  4. Step 4: Simplify right side
    475,895.52x = 201,042,492,480.78
  5. Step 5: Solve for x
    x = 201,042,492,480.78/475,895.52
  6. Step 6: Final answer
    x = 422,450.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.