Home / 817,096.12-1,225,644.54-256,174.36

Finding the Fourth Proportional to 817,096.12, 1,225,644.54 and 256,174.36

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Solution

The fourth proportional to 817,096.12, 1,225,644.54 and 256,174.36 is: 384,261.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,096.12 : 1,225,644.54 = 256,174.36 : x
  2. Step 2: Convert to fraction form
    817,096.12/1,225,644.54 = 256,174.36/x
  3. Step 3: Cross multiply
    817,096.12x = 1,225,644.54 × 256,174.36
  4. Step 4: Simplify right side
    817,096.12x = 313,978,705,621.99
  5. Step 5: Solve for x
    x = 313,978,705,621.99/817,096.12
  6. Step 6: Final answer
    x = 384,261.65

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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.