Home / 826,486.30-1,140,568.01-463,936.38

Finding the Fourth Proportional to 826,486.30, 1,140,568.01 and 463,936.38

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Solution

The fourth proportional to 826,486.30, 1,140,568.01 and 463,936.38 is: 640,241.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,486.30 : 1,140,568.01 = 463,936.38 : x
  2. Step 2: Convert to fraction form
    826,486.30/1,140,568.01 = 463,936.38/x
  3. Step 3: Cross multiply
    826,486.30x = 1,140,568.01 × 463,936.38
  4. Step 4: Simplify right side
    826,486.30x = 529,150,993,703.20
  5. Step 5: Solve for x
    x = 529,150,993,703.20/826,486.30
  6. Step 6: Final answer
    x = 640,241.70

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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.