Home / 403,628.25-557,007.12-233,960.79

Finding the Fourth Proportional to 403,628.25, 557,007.12 and 233,960.79

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Solution

The fourth proportional to 403,628.25, 557,007.12 and 233,960.79 is: 322,865.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,628.25 : 557,007.12 = 233,960.79 : x
  2. Step 2: Convert to fraction form
    403,628.25/557,007.12 = 233,960.79/x
  3. Step 3: Cross multiply
    403,628.25x = 557,007.12 × 233,960.79
  4. Step 4: Simplify right side
    403,628.25x = 130,317,825,830.83
  5. Step 5: Solve for x
    x = 130,317,825,830.83/403,628.25
  6. Step 6: Final answer
    x = 322,865.97

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1.5x scale

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.