Home / 505,979.62-759,669.27-256,836.58

Finding the Fourth Proportional to 505,979.62, 759,669.27 and 256,836.58

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Solution

The fourth proportional to 505,979.62, 759,669.27 and 256,836.58 is: 385,610.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,979.62 : 759,669.27 = 256,836.58 : x
  2. Step 2: Convert to fraction form
    505,979.62/759,669.27 = 256,836.58/x
  3. Step 3: Cross multiply
    505,979.62x = 759,669.27 × 256,836.58
  4. Step 4: Simplify right side
    505,979.62x = 195,110,857,237.90
  5. Step 5: Solve for x
    x = 195,110,857,237.90/505,979.62
  6. Step 6: Final answer
    x = 385,610.11

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1.5x scale

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.