Home / 418,050.86-576,916.35-236,758.28

Finding the Fourth Proportional to 418,050.86, 576,916.35 and 236,758.28

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Solution

The fourth proportional to 418,050.86, 576,916.35 and 236,758.28 is: 326,729.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,050.86 : 576,916.35 = 236,758.28 : x
  2. Step 2: Convert to fraction form
    418,050.86/576,916.35 = 236,758.28/x
  3. Step 3: Cross multiply
    418,050.86x = 576,916.35 × 236,758.28
  4. Step 4: Simplify right side
    418,050.86x = 136,589,722,729.88
  5. Step 5: Solve for x
    x = 136,589,722,729.88/418,050.86
  6. Step 6: Final answer
    x = 326,729.92

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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.