Home / 418,480.05-577,495.67-227,498.25

Finding the Fourth Proportional to 418,480.05, 577,495.67 and 227,498.25

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Solution

The fourth proportional to 418,480.05, 577,495.67 and 227,498.25 is: 313,943.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,480.05 : 577,495.67 = 227,498.25 : x
  2. Step 2: Convert to fraction form
    418,480.05/577,495.67 = 227,498.25/x
  3. Step 3: Cross multiply
    418,480.05x = 577,495.67 × 227,498.25
  4. Step 4: Simplify right side
    418,480.05x = 131,379,253,170.09
  5. Step 5: Solve for x
    x = 131,379,253,170.09/418,480.05
  6. Step 6: Final answer
    x = 313,943.89

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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.