Home / 428,833.05-591,774.48-237,864.21

Finding the Fourth Proportional to 428,833.05, 591,774.48 and 237,864.21

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Solution

The fourth proportional to 428,833.05, 591,774.48 and 237,864.21 is: 328,244.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,833.05 : 591,774.48 = 237,864.21 : x
  2. Step 2: Convert to fraction form
    428,833.05/591,774.48 = 237,864.21/x
  3. Step 3: Cross multiply
    428,833.05x = 591,774.48 × 237,864.21
  4. Step 4: Simplify right side
    428,833.05x = 140,761,969,183.36
  5. Step 5: Solve for x
    x = 140,761,969,183.36/428,833.05
  6. Step 6: Final answer
    x = 328,244.22

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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.