Home / 498,922.30-751,752.57-412,120.54

Finding the Fourth Proportional to 498,922.30, 751,752.57 and 412,120.54

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Solution

The fourth proportional to 498,922.30, 751,752.57 and 412,120.54 is: 620,963.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,922.30 : 751,752.57 = 412,120.54 : x
  2. Step 2: Convert to fraction form
    498,922.30/751,752.57 = 412,120.54/x
  3. Step 3: Cross multiply
    498,922.30x = 751,752.57 × 412,120.54
  4. Step 4: Simplify right side
    498,922.30x = 309,812,673,034.19
  5. Step 5: Solve for x
    x = 309,812,673,034.19/498,922.30
  6. Step 6: Final answer
    x = 620,963.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.