Home / 425,118.26-586,651.23-231,521.60

Finding the Fourth Proportional to 425,118.26, 586,651.23 and 231,521.60

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Solution

The fourth proportional to 425,118.26, 586,651.23 and 231,521.60 is: 319,493.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,118.26 : 586,651.23 = 231,521.60 : x
  2. Step 2: Convert to fraction form
    425,118.26/586,651.23 = 231,521.60/x
  3. Step 3: Cross multiply
    425,118.26x = 586,651.23 × 231,521.60
  4. Step 4: Simplify right side
    425,118.26x = 135,822,428,478.31
  5. Step 5: Solve for x
    x = 135,822,428,478.31/425,118.26
  6. Step 6: Final answer
    x = 319,493.29

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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.