Home / 648,220.36-894,938.34-444,605.80

Finding the Fourth Proportional to 648,220.36, 894,938.34 and 444,605.80

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Solution

The fourth proportional to 648,220.36, 894,938.34 and 444,605.80 is: 613,826.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,220.36 : 894,938.34 = 444,605.80 : x
  2. Step 2: Convert to fraction form
    648,220.36/894,938.34 = 444,605.80/x
  3. Step 3: Cross multiply
    648,220.36x = 894,938.34 × 444,605.80
  4. Step 4: Simplify right side
    648,220.36x = 397,894,776,606.37
  5. Step 5: Solve for x
    x = 397,894,776,606.37/648,220.36
  6. Step 6: Final answer
    x = 613,826.41

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Double scale
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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.