Home / 635,467.81-876,944.55-348,987.89

Finding the Fourth Proportional to 635,467.81, 876,944.55 and 348,987.89

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Solution

The fourth proportional to 635,467.81, 876,944.55 and 348,987.89 is: 481,602.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,467.81 : 876,944.55 = 348,987.89 : x
  2. Step 2: Convert to fraction form
    635,467.81/876,944.55 = 348,987.89/x
  3. Step 3: Cross multiply
    635,467.81x = 876,944.55 × 348,987.89
  4. Step 4: Simplify right side
    635,467.81x = 306,043,028,151.50
  5. Step 5: Solve for x
    x = 306,043,028,151.50/635,467.81
  6. Step 6: Final answer
    x = 481,602.72

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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.