Home / 809,062.10-1,213,301.55-409,570.10

Finding the Fourth Proportional to 809,062.10, 1,213,301.55 and 409,570.10

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Solution

The fourth proportional to 809,062.10, 1,213,301.55 and 409,570.10 is: 614,207.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,062.10 : 1,213,301.55 = 409,570.10 : x
  2. Step 2: Convert to fraction form
    809,062.10/1,213,301.55 = 409,570.10/x
  3. Step 3: Cross multiply
    809,062.10x = 1,213,301.55 × 409,570.10
  4. Step 4: Simplify right side
    809,062.10x = 496,932,037,163.66
  5. Step 5: Solve for x
    x = 496,932,037,163.66/809,062.10
  6. Step 6: Final answer
    x = 614,207.53

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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.