Home / 442,858.20-664,287.30-110,434.20

Finding the Fourth Proportional to 442,858.20, 664,287.30 and 110,434.20

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Solution

The fourth proportional to 442,858.20, 664,287.30 and 110,434.20 is: 165,651.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,858.20 : 664,287.30 = 110,434.20 : x
  2. Step 2: Convert to fraction form
    442,858.20/664,287.30 = 110,434.20/x
  3. Step 3: Cross multiply
    442,858.20x = 664,287.30 × 110,434.20
  4. Step 4: Simplify right side
    442,858.20x = 73,360,036,545.66
  5. Step 5: Solve for x
    x = 73,360,036,545.66/442,858.20
  6. Step 6: Final answer
    x = 165,651.30

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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.