Home / 635,272.72-876,678.04-348,811.36

Finding the Fourth Proportional to 635,272.72, 876,678.04 and 348,811.36

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Solution

The fourth proportional to 635,272.72, 876,678.04 and 348,811.36 is: 481,360.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,272.72 : 876,678.04 = 348,811.36 : x
  2. Step 2: Convert to fraction form
    635,272.72/876,678.04 = 348,811.36/x
  3. Step 3: Cross multiply
    635,272.72x = 876,678.04 × 348,811.36
  4. Step 4: Simplify right side
    635,272.72x = 305,795,259,414.53
  5. Step 5: Solve for x
    x = 305,795,259,414.53/635,272.72
  6. Step 6: Final answer
    x = 481,360.60

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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.