Home / 471,836.73-651,142.11-256,976.64

Finding the Fourth Proportional to 471,836.73, 651,142.11 and 256,976.64

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Solution

The fourth proportional to 471,836.73, 651,142.11 and 256,976.64 is: 354,631.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,836.73 : 651,142.11 = 256,976.64 : x
  2. Step 2: Convert to fraction form
    471,836.73/651,142.11 = 256,976.64/x
  3. Step 3: Cross multiply
    471,836.73x = 651,142.11 × 256,976.64
  4. Step 4: Simplify right side
    471,836.73x = 167,328,311,590.31
  5. Step 5: Solve for x
    x = 167,328,311,590.31/471,836.73
  6. Step 6: Final answer
    x = 354,631.81

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1.5x scale

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.