Home / 329,834.32-454,890.39-253,538.09

Finding the Fourth Proportional to 329,834.32, 454,890.39 and 253,538.09

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Solution

The fourth proportional to 329,834.32, 454,890.39 and 253,538.09 is: 349,666.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,834.32 : 454,890.39 = 253,538.09 : x
  2. Step 2: Convert to fraction form
    329,834.32/454,890.39 = 253,538.09/x
  3. Step 3: Cross multiply
    329,834.32x = 454,890.39 × 253,538.09
  4. Step 4: Simplify right side
    329,834.32x = 115,332,040,639.96
  5. Step 5: Solve for x
    x = 115,332,040,639.96/329,834.32
  6. Step 6: Final answer
    x = 349,666.59

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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.