Home / 825,757.70-1,239,788.55-528,080.90

Finding the Fourth Proportional to 825,757.70, 1,239,788.55 and 528,080.90

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Solution

The fourth proportional to 825,757.70, 1,239,788.55 and 528,080.90 is: 792,858.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,757.70 : 1,239,788.55 = 528,080.90 : x
  2. Step 2: Convert to fraction form
    825,757.70/1,239,788.55 = 528,080.90/x
  3. Step 3: Cross multiply
    825,757.70x = 1,239,788.55 × 528,080.90
  4. Step 4: Simplify right side
    825,757.70x = 654,708,653,293.70
  5. Step 5: Solve for x
    x = 654,708,653,293.70/825,757.70
  6. Step 6: Final answer
    x = 792,858.07

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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.