Home / 418,018.41-576,879.03-236,726.44

Finding the Fourth Proportional to 418,018.41, 576,879.03 and 236,726.44

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Solution

The fourth proportional to 418,018.41, 576,879.03 and 236,726.44 is: 326,690.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,018.41 : 576,879.03 = 236,726.44 : x
  2. Step 2: Convert to fraction form
    418,018.41/576,879.03 = 236,726.44/x
  3. Step 3: Cross multiply
    418,018.41x = 576,879.03 × 236,726.44
  4. Step 4: Simplify right side
    418,018.41x = 136,562,519,082.55
  5. Step 5: Solve for x
    x = 136,562,519,082.55/418,018.41
  6. Step 6: Final answer
    x = 326,690.20

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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.