Home / 413,244.30-619,757.10-128,934.30

Finding the Fourth Proportional to 413,244.30, 619,757.10 and 128,934.30

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Solution

The fourth proportional to 413,244.30, 619,757.10 and 128,934.30 is: 193,367.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,244.30 : 619,757.10 = 128,934.30 : x
  2. Step 2: Convert to fraction form
    413,244.30/619,757.10 = 128,934.30/x
  3. Step 3: Cross multiply
    413,244.30x = 619,757.10 × 128,934.30
  4. Step 4: Simplify right side
    413,244.30x = 79,907,947,858.53
  5. Step 5: Solve for x
    x = 79,907,947,858.53/413,244.30
  6. Step 6: Final answer
    x = 193,367.33

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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.