Home / 817,098.26-1,225,844.13-256,132.76

Finding the Fourth Proportional to 817,098.26, 1,225,844.13 and 256,132.76

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Solution

The fourth proportional to 817,098.26, 1,225,844.13 and 256,132.76 is: 384,260.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,098.26 : 1,225,844.13 = 256,132.76 : x
  2. Step 2: Convert to fraction form
    817,098.26/1,225,844.13 = 256,132.76/x
  3. Step 3: Cross multiply
    817,098.26x = 1,225,844.13 × 256,132.76
  4. Step 4: Simplify right side
    817,098.26x = 313,978,840,346.70
  5. Step 5: Solve for x
    x = 313,978,840,346.70/817,098.26
  6. Step 6: Final answer
    x = 384,260.81

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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.