Home / 401,822.10-554,548.53-220,564.73

Finding the Fourth Proportional to 401,822.10, 554,548.53 and 220,564.73

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Solution

The fourth proportional to 401,822.10, 554,548.53 and 220,564.73 is: 304,398.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,822.10 : 554,548.53 = 220,564.73 : x
  2. Step 2: Convert to fraction form
    401,822.10/554,548.53 = 220,564.73/x
  3. Step 3: Cross multiply
    401,822.10x = 554,548.53 × 220,564.73
  4. Step 4: Simplify right side
    401,822.10x = 122,313,844,018.60
  5. Step 5: Solve for x
    x = 122,313,844,018.60/401,822.10
  6. Step 6: Final answer
    x = 304,398.00

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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.