Home / 428,633.28-591,511.14-237,646.62

Finding the Fourth Proportional to 428,633.28, 591,511.14 and 237,646.62

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Solution

The fourth proportional to 428,633.28, 591,511.14 and 237,646.62 is: 327,950.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,633.28 : 591,511.14 = 237,646.62 : x
  2. Step 2: Convert to fraction form
    428,633.28/591,511.14 = 237,646.62/x
  3. Step 3: Cross multiply
    428,633.28x = 591,511.14 × 237,646.62
  4. Step 4: Simplify right side
    428,633.28x = 140,570,623,113.35
  5. Step 5: Solve for x
    x = 140,570,623,113.35/428,633.28
  6. Step 6: Final answer
    x = 327,950.79

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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.