Home / 1,261,719.35-1,892,877.35-408,789.62

Finding the Fourth Proportional to 1,261,719.35, 1,892,877.35 and 408,789.62

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Solution

The fourth proportional to 1,261,719.35, 1,892,877.35 and 408,789.62 is: 613,281.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,719.35 : 1,892,877.35 = 408,789.62 : x
  2. Step 2: Convert to fraction form
    1,261,719.35/1,892,877.35 = 408,789.62/x
  3. Step 3: Cross multiply
    1,261,719.35x = 1,892,877.35 × 408,789.62
  4. Step 4: Simplify right side
    1,261,719.35x = 773,788,601,104.77
  5. Step 5: Solve for x
    x = 773,788,601,104.77/1,261,719.35
  6. Step 6: Final answer
    x = 613,281.08

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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.