Home / 957,797.28-1,321,768.80-528,092.82

Finding the Fourth Proportional to 957,797.28, 1,321,768.80 and 528,092.82

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Solution

The fourth proportional to 957,797.28, 1,321,768.80 and 528,092.82 is: 728,772.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,797.28 : 1,321,768.80 = 528,092.82 : x
  2. Step 2: Convert to fraction form
    957,797.28/1,321,768.80 = 528,092.82/x
  3. Step 3: Cross multiply
    957,797.28x = 1,321,768.80 × 528,092.82
  4. Step 4: Simplify right side
    957,797.28x = 698,016,612,980.02
  5. Step 5: Solve for x
    x = 698,016,612,980.02/957,797.28
  6. Step 6: Final answer
    x = 728,772.81

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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.