Home / 505,977.12-759,665.52-256,834.08

Finding the Fourth Proportional to 505,977.12, 759,665.52 and 256,834.08

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Solution

The fourth proportional to 505,977.12, 759,665.52 and 256,834.08 is: 385,606.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,977.12 : 759,665.52 = 256,834.08 : x
  2. Step 2: Convert to fraction form
    505,977.12/759,665.52 = 256,834.08/x
  3. Step 3: Cross multiply
    505,977.12x = 759,665.52 × 256,834.08
  4. Step 4: Simplify right side
    505,977.12x = 195,107,994,936.92
  5. Step 5: Solve for x
    x = 195,107,994,936.92/505,977.12
  6. Step 6: Final answer
    x = 385,606.36

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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.