Home / 425,461.26-587,129.01-231,870.75

Finding the Fourth Proportional to 425,461.26, 587,129.01 and 231,870.75

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Solution

The fourth proportional to 425,461.26, 587,129.01 and 231,870.75 is: 319,977.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,461.26 : 587,129.01 = 231,870.75 : x
  2. Step 2: Convert to fraction form
    425,461.26/587,129.01 = 231,870.75/x
  3. Step 3: Cross multiply
    425,461.26x = 587,129.01 × 231,870.75
  4. Step 4: Simplify right side
    425,461.26x = 136,138,044,126.81
  5. Step 5: Solve for x
    x = 136,138,044,126.81/425,461.26
  6. Step 6: Final answer
    x = 319,977.53

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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.