Home / 957,640.60-1,321,548.03-527,911.30

Finding the Fourth Proportional to 957,640.60, 1,321,548.03 and 527,911.30

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Solution

The fourth proportional to 957,640.60, 1,321,548.03 and 527,911.30 is: 728,519.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,640.60 : 1,321,548.03 = 527,911.30 : x
  2. Step 2: Convert to fraction form
    957,640.60/1,321,548.03 = 527,911.30/x
  3. Step 3: Cross multiply
    957,640.60x = 1,321,548.03 × 527,911.30
  4. Step 4: Simplify right side
    957,640.60x = 697,660,129,282.44
  5. Step 5: Solve for x
    x = 697,660,129,282.44/957,640.60
  6. Step 6: Final answer
    x = 728,519.79

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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.