Home / 648,217.36-894,934.20-444,602.80

Finding the Fourth Proportional to 648,217.36, 894,934.20 and 444,602.80

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Solution

The fourth proportional to 648,217.36, 894,934.20 and 444,602.80 is: 613,822.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,217.36 : 894,934.20 = 444,602.80 : x
  2. Step 2: Convert to fraction form
    648,217.36/894,934.20 = 444,602.80/x
  3. Step 3: Cross multiply
    648,217.36x = 894,934.20 × 444,602.80
  4. Step 4: Simplify right side
    648,217.36x = 397,890,251,135.76
  5. Step 5: Solve for x
    x = 397,890,251,135.76/648,217.36
  6. Step 6: Final answer
    x = 613,822.27

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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.