Home / 554,976.24-765,867.18-300,327.43

Finding the Fourth Proportional to 554,976.24, 765,867.18 and 300,327.43

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Solution

The fourth proportional to 554,976.24, 765,867.18 and 300,327.43 is: 414,451.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,976.24 : 765,867.18 = 300,327.43 : x
  2. Step 2: Convert to fraction form
    554,976.24/765,867.18 = 300,327.43/x
  3. Step 3: Cross multiply
    554,976.24x = 765,867.18 × 300,327.43
  4. Step 4: Simplify right side
    554,976.24x = 230,010,921,890.75
  5. Step 5: Solve for x
    x = 230,010,921,890.75/554,976.24
  6. Step 6: Final answer
    x = 414,451.84

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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.