Home / 648,216.36-894,932.82-444,601.80

Finding the Fourth Proportional to 648,216.36, 894,932.82 and 444,601.80

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Solution

The fourth proportional to 648,216.36, 894,932.82 and 444,601.80 is: 613,820.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,216.36 : 894,932.82 = 444,601.80 : x
  2. Step 2: Convert to fraction form
    648,216.36/894,932.82 = 444,601.80/x
  3. Step 3: Cross multiply
    648,216.36x = 894,932.82 × 444,601.80
  4. Step 4: Simplify right side
    648,216.36x = 397,888,742,651.08
  5. Step 5: Solve for x
    x = 397,888,742,651.08/648,216.36
  6. Step 6: Final answer
    x = 613,820.89

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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.