Home / 423,811.80-584,857.47-230,217.75

Finding the Fourth Proportional to 423,811.80, 584,857.47 and 230,217.75

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Solution

The fourth proportional to 423,811.80, 584,857.47 and 230,217.75 is: 317,698.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,811.80 : 584,857.47 = 230,217.75 : x
  2. Step 2: Convert to fraction form
    423,811.80/584,857.47 = 230,217.75/x
  3. Step 3: Cross multiply
    423,811.80x = 584,857.47 × 230,217.75
  4. Step 4: Simplify right side
    423,811.80x = 134,644,570,814.09
  5. Step 5: Solve for x
    x = 134,644,570,814.09/423,811.80
  6. Step 6: Final answer
    x = 317,698.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.