Home / 826,459.56-1,239,645.60-265,450.32

Finding the Fourth Proportional to 826,459.56, 1,239,645.60 and 265,450.32

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Solution

The fourth proportional to 826,459.56, 1,239,645.60 and 265,450.32 is: 398,161.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,459.56 : 1,239,645.60 = 265,450.32 : x
  2. Step 2: Convert to fraction form
    826,459.56/1,239,645.60 = 265,450.32/x
  3. Step 3: Cross multiply
    826,459.56x = 1,239,645.60 × 265,450.32
  4. Step 4: Simplify right side
    826,459.56x = 329,064,321,206.59
  5. Step 5: Solve for x
    x = 329,064,321,206.59/826,459.56
  6. Step 6: Final answer
    x = 398,161.43

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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.