Home / 403,027.34-556,177.66-221,735.39

Finding the Fourth Proportional to 403,027.34, 556,177.66 and 221,735.39

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Solution

The fourth proportional to 403,027.34, 556,177.66 and 221,735.39 is: 305,994.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,027.34 : 556,177.66 = 221,735.39 : x
  2. Step 2: Convert to fraction form
    403,027.34/556,177.66 = 221,735.39/x
  3. Step 3: Cross multiply
    403,027.34x = 556,177.66 × 221,735.39
  4. Step 4: Simplify right side
    403,027.34x = 123,324,267,014.16
  5. Step 5: Solve for x
    x = 123,324,267,014.16/403,027.34
  6. Step 6: Final answer
    x = 305,994.80

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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.