Home / 456,466.20-685,117.80-231,982.80

Finding the Fourth Proportional to 456,466.20, 685,117.80 and 231,982.80

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Solution

The fourth proportional to 456,466.20, 685,117.80 and 231,982.80 is: 348,186.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,466.20 : 685,117.80 = 231,982.80 : x
  2. Step 2: Convert to fraction form
    456,466.20/685,117.80 = 231,982.80/x
  3. Step 3: Cross multiply
    456,466.20x = 685,117.80 × 231,982.80
  4. Step 4: Simplify right side
    456,466.20x = 158,935,545,573.84
  5. Step 5: Solve for x
    x = 158,935,545,573.84/456,466.20
  6. Step 6: Final answer
    x = 348,186.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.