Home / 428,610.36-591,496.32-237,641.52

Finding the Fourth Proportional to 428,610.36, 591,496.32 and 237,641.52

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Solution

The fourth proportional to 428,610.36, 591,496.32 and 237,641.52 is: 327,953.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,610.36 : 591,496.32 = 237,641.52 : x
  2. Step 2: Convert to fraction form
    428,610.36/591,496.32 = 237,641.52/x
  3. Step 3: Cross multiply
    428,610.36x = 591,496.32 × 237,641.52
  4. Step 4: Simplify right side
    428,610.36x = 140,564,084,559.21
  5. Step 5: Solve for x
    x = 140,564,084,559.21/428,610.36
  6. Step 6: Final answer
    x = 327,953.07

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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.