Home / 428,058.36-590,720.28-237,071.56

Finding the Fourth Proportional to 428,058.36, 590,720.28 and 237,071.56

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Solution

The fourth proportional to 428,058.36, 590,720.28 and 237,071.56 is: 327,158.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,058.36 : 590,720.28 = 237,071.56 : x
  2. Step 2: Convert to fraction form
    428,058.36/590,720.28 = 237,071.56/x
  3. Step 3: Cross multiply
    428,058.36x = 590,720.28 × 237,071.56
  4. Step 4: Simplify right side
    428,058.36x = 140,042,978,303.24
  5. Step 5: Solve for x
    x = 140,042,978,303.24/428,058.36
  6. Step 6: Final answer
    x = 327,158.61

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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.