Home / 450,176.12-675,067.24-213,586.28

Finding the Fourth Proportional to 450,176.12, 675,067.24 and 213,586.28

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Solution

The fourth proportional to 450,176.12, 675,067.24 and 213,586.28 is: 320,285.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,176.12 : 675,067.24 = 213,586.28 : x
  2. Step 2: Convert to fraction form
    450,176.12/675,067.24 = 213,586.28/x
  3. Step 3: Cross multiply
    450,176.12x = 675,067.24 × 213,586.28
  4. Step 4: Simplify right side
    450,176.12x = 144,185,100,541.47
  5. Step 5: Solve for x
    x = 144,185,100,541.47/450,176.12
  6. Step 6: Final answer
    x = 320,285.98

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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.