Home / 824,406.70-1,236,727.42-255,836.93

Finding the Fourth Proportional to 824,406.70, 1,236,727.42 and 255,836.93

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Solution

The fourth proportional to 824,406.70, 1,236,727.42 and 255,836.93 is: 383,791.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,406.70 : 1,236,727.42 = 255,836.93 : x
  2. Step 2: Convert to fraction form
    824,406.70/1,236,727.42 = 255,836.93/x
  3. Step 3: Cross multiply
    824,406.70x = 1,236,727.42 × 255,836.93
  4. Step 4: Simplify right side
    824,406.70x = 316,400,546,379.62
  5. Step 5: Solve for x
    x = 316,400,546,379.62/824,406.70
  6. Step 6: Final answer
    x = 383,791.82

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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.