Home / 1,268,176.96-1,901,712.48-479,656

Finding the Fourth Proportional to 1,268,176.96, 1,901,712.48 and 479,656

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Solution

The fourth proportional to 1,268,176.96, 1,901,712.48 and 479,656 is: 719,274.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,176.96 : 1,901,712.48 = 479,656 : x
  2. Step 2: Convert to fraction form
    1,268,176.96/1,901,712.48 = 479,656/x
  3. Step 3: Cross multiply
    1,268,176.96x = 1,901,712.48 × 479,656
  4. Step 4: Simplify right side
    1,268,176.96x = 912,167,801,306.88
  5. Step 5: Solve for x
    x = 912,167,801,306.88/1,268,176.96
  6. Step 6: Final answer
    x = 719,274.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.