Home / 428,852.64-591,816.98-237,867.41

Finding the Fourth Proportional to 428,852.64, 591,816.98 and 237,867.41

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Solution

The fourth proportional to 428,852.64, 591,816.98 and 237,867.41 is: 328,257.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,852.64 : 591,816.98 = 237,867.41 : x
  2. Step 2: Convert to fraction form
    428,852.64/591,816.98 = 237,867.41/x
  3. Step 3: Cross multiply
    428,852.64x = 591,816.98 × 237,867.41
  4. Step 4: Simplify right side
    428,852.64x = 140,773,968,078.20
  5. Step 5: Solve for x
    x = 140,773,968,078.20/428,852.64
  6. Step 6: Final answer
    x = 328,257.20

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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.