Home / 415,288.89-573,104.03-245,521.53

Finding the Fourth Proportional to 415,288.89, 573,104.03 and 245,521.53

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Solution

The fourth proportional to 415,288.89, 573,104.03 and 245,521.53 is: 338,822.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,288.89 : 573,104.03 = 245,521.53 : x
  2. Step 2: Convert to fraction form
    415,288.89/573,104.03 = 245,521.53/x
  3. Step 3: Cross multiply
    415,288.89x = 573,104.03 × 245,521.53
  4. Step 4: Simplify right side
    415,288.89x = 140,709,377,067.16
  5. Step 5: Solve for x
    x = 140,709,377,067.16/415,288.89
  6. Step 6: Final answer
    x = 338,822.88

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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.