Home / 826,982.10-1,241,639.55-512,054.10

Finding the Fourth Proportional to 826,982.10, 1,241,639.55 and 512,054.10

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Solution

The fourth proportional to 826,982.10, 1,241,639.55 and 512,054.10 is: 768,803.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,982.10 : 1,241,639.55 = 512,054.10 : x
  2. Step 2: Convert to fraction form
    826,982.10/1,241,639.55 = 512,054.10/x
  3. Step 3: Cross multiply
    826,982.10x = 1,241,639.55 × 512,054.10
  4. Step 4: Simplify right side
    826,982.10x = 635,786,622,299.66
  5. Step 5: Solve for x
    x = 635,786,622,299.66/826,982.10
  6. Step 6: Final answer
    x = 768,803.37

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1.5x scale

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.