Home / 862,203.50-1,189,841.16-499,837.44

Finding the Fourth Proportional to 862,203.50, 1,189,841.16 and 499,837.44

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Solution

The fourth proportional to 862,203.50, 1,189,841.16 and 499,837.44 is: 689,775.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,203.50 : 1,189,841.16 = 499,837.44 : x
  2. Step 2: Convert to fraction form
    862,203.50/1,189,841.16 = 499,837.44/x
  3. Step 3: Cross multiply
    862,203.50x = 1,189,841.16 × 499,837.44
  4. Step 4: Simplify right side
    862,203.50x = 594,727,165,757.33
  5. Step 5: Solve for x
    x = 594,727,165,757.33/862,203.50
  6. Step 6: Final answer
    x = 689,775.87

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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.