Home / 428,123.25-590,810.09-237,149.01

Finding the Fourth Proportional to 428,123.25, 590,810.09 and 237,149.01

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Solution

The fourth proportional to 428,123.25, 590,810.09 and 237,149.01 is: 327,265.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,123.25 : 590,810.09 = 237,149.01 : x
  2. Step 2: Convert to fraction form
    428,123.25/590,810.09 = 237,149.01/x
  3. Step 3: Cross multiply
    428,123.25x = 590,810.09 × 237,149.01
  4. Step 4: Simplify right side
    428,123.25x = 140,110,026,755.77
  5. Step 5: Solve for x
    x = 140,110,026,755.77/428,123.25
  6. Step 6: Final answer
    x = 327,265.63

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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.