Home / 648,220.86-894,939.03-444,606.30

Finding the Fourth Proportional to 648,220.86, 894,939.03 and 444,606.30

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Solution

The fourth proportional to 648,220.86, 894,939.03 and 444,606.30 is: 613,827.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,220.86 : 894,939.03 = 444,606.30 : x
  2. Step 2: Convert to fraction form
    648,220.86/894,939.03 = 444,606.30/x
  3. Step 3: Cross multiply
    648,220.86x = 894,939.03 × 444,606.30
  4. Step 4: Simplify right side
    648,220.86x = 397,895,530,853.89
  5. Step 5: Solve for x
    x = 397,895,530,853.89/648,220.86
  6. Step 6: Final answer
    x = 613,827.10

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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.