Home / 428,947.64-591,945.93-237,961.03

Finding the Fourth Proportional to 428,947.64, 591,945.93 and 237,961.03

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Solution

The fourth proportional to 428,947.64, 591,945.93 and 237,961.03 is: 328,385.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,947.64 : 591,945.93 = 237,961.03 : x
  2. Step 2: Convert to fraction form
    428,947.64/591,945.93 = 237,961.03/x
  3. Step 3: Cross multiply
    428,947.64x = 591,945.93 × 237,961.03
  4. Step 4: Simplify right side
    428,947.64x = 140,860,063,207.11
  5. Step 5: Solve for x
    x = 140,860,063,207.11/428,947.64
  6. Step 6: Final answer
    x = 328,385.22

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1.5x scale

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.