Home / 403,932.79-557,430.96-222,651.67

Finding the Fourth Proportional to 403,932.79, 557,430.96 and 222,651.67

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Solution

The fourth proportional to 403,932.79, 557,430.96 and 222,651.67 is: 307,261.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,932.79 : 557,430.96 = 222,651.67 : x
  2. Step 2: Convert to fraction form
    403,932.79/557,430.96 = 222,651.67/x
  3. Step 3: Cross multiply
    403,932.79x = 557,430.96 × 222,651.67
  4. Step 4: Simplify right side
    403,932.79x = 124,112,933,040.45
  5. Step 5: Solve for x
    x = 124,112,933,040.45/403,932.79
  6. Step 6: Final answer
    x = 307,261.35

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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.