Home / 691,147.20-1,036,647.10-241,876.65

Finding the Fourth Proportional to 691,147.20, 1,036,647.10 and 241,876.65

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Solution

The fourth proportional to 691,147.20, 1,036,647.10 and 241,876.65 is: 362,789.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,147.20 : 1,036,647.10 = 241,876.65 : x
  2. Step 2: Convert to fraction form
    691,147.20/1,036,647.10 = 241,876.65/x
  3. Step 3: Cross multiply
    691,147.20x = 1,036,647.10 × 241,876.65
  4. Step 4: Simplify right side
    691,147.20x = 250,740,727,780.22
  5. Step 5: Solve for x
    x = 250,740,727,780.22/691,147.20
  6. Step 6: Final answer
    x = 362,789.18

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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.