Home / 826,975.32-1,239,675.66-265,616.28

Finding the Fourth Proportional to 826,975.32, 1,239,675.66 and 265,616.28

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Solution

The fourth proportional to 826,975.32, 1,239,675.66 and 265,616.28 is: 398,171.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,975.32 : 1,239,675.66 = 265,616.28 : x
  2. Step 2: Convert to fraction form
    826,975.32/1,239,675.66 = 265,616.28/x
  3. Step 3: Cross multiply
    826,975.32x = 1,239,675.66 × 265,616.28
  4. Step 4: Simplify right side
    826,975.32x = 329,278,037,215.75
  5. Step 5: Solve for x
    x = 329,278,037,215.75/826,975.32
  6. Step 6: Final answer
    x = 398,171.54

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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.