Home / 635,461.21-876,942.53-348,987.25

Finding the Fourth Proportional to 635,461.21, 876,942.53 and 348,987.25

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Solution

The fourth proportional to 635,461.21, 876,942.53 and 348,987.25 is: 481,605.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,461.21 : 876,942.53 = 348,987.25 : x
  2. Step 2: Convert to fraction form
    635,461.21/876,942.53 = 348,987.25/x
  3. Step 3: Cross multiply
    635,461.21x = 876,942.53 × 348,987.25
  4. Step 4: Simplify right side
    635,461.21x = 306,041,761,952.74
  5. Step 5: Solve for x
    x = 306,041,761,952.74/635,461.21
  6. Step 6: Final answer
    x = 481,605.73

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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.