Home / 425,971.14-587,836.89-234,992.58

Finding the Fourth Proportional to 425,971.14, 587,836.89 and 234,992.58

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Solution

The fourth proportional to 425,971.14, 587,836.89 and 234,992.58 is: 324,287.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,971.14 : 587,836.89 = 234,992.58 : x
  2. Step 2: Convert to fraction form
    425,971.14/587,836.89 = 234,992.58/x
  3. Step 3: Cross multiply
    425,971.14x = 587,836.89 × 234,992.58
  4. Step 4: Simplify right side
    425,971.14x = 138,137,307,400.28
  5. Step 5: Solve for x
    x = 138,137,307,400.28/425,971.14
  6. Step 6: Final answer
    x = 324,287.95

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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.