Home / 425,636.20-587,382.50-234,656.43

Finding the Fourth Proportional to 425,636.20, 587,382.50 and 234,656.43

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Solution

The fourth proportional to 425,636.20, 587,382.50 and 234,656.43 is: 323,828.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,636.20 : 587,382.50 = 234,656.43 : x
  2. Step 2: Convert to fraction form
    425,636.20/587,382.50 = 234,656.43/x
  3. Step 3: Cross multiply
    425,636.20x = 587,382.50 × 234,656.43
  4. Step 4: Simplify right side
    425,636.20x = 137,833,078,878.43
  5. Step 5: Solve for x
    x = 137,833,078,878.43/425,636.20
  6. Step 6: Final answer
    x = 323,828.37

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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.