Home / 428,816.56-591,758.04-237,799.12

Finding the Fourth Proportional to 428,816.56, 591,758.04 and 237,799.12

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Solution

The fourth proportional to 428,816.56, 591,758.04 and 237,799.12 is: 328,157.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,816.56 : 591,758.04 = 237,799.12 : x
  2. Step 2: Convert to fraction form
    428,816.56/591,758.04 = 237,799.12/x
  3. Step 3: Cross multiply
    428,816.56x = 591,758.04 × 237,799.12
  4. Step 4: Simplify right side
    428,816.56x = 140,719,541,164.93
  5. Step 5: Solve for x
    x = 140,719,541,164.93/428,816.56
  6. Step 6: Final answer
    x = 328,157.90

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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.