Home / 428,614.36-591,501.84-237,645.52

Finding the Fourth Proportional to 428,614.36, 591,501.84 and 237,645.52

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Solution

The fourth proportional to 428,614.36, 591,501.84 and 237,645.52 is: 327,958.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,614.36 : 591,501.84 = 237,645.52 : x
  2. Step 2: Convert to fraction form
    428,614.36/591,501.84 = 237,645.52/x
  3. Step 3: Cross multiply
    428,614.36x = 591,501.84 × 237,645.52
  4. Step 4: Simplify right side
    428,614.36x = 140,567,762,347.76
  5. Step 5: Solve for x
    x = 140,567,762,347.76/428,614.36
  6. Step 6: Final answer
    x = 327,958.59

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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.