Home / 957,920.82-1,321,902.39-528,200.82

Finding the Fourth Proportional to 957,920.82, 1,321,902.39 and 528,200.82

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Solution

The fourth proportional to 957,920.82, 1,321,902.39 and 528,200.82 is: 728,901.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,920.82 : 1,321,902.39 = 528,200.82 : x
  2. Step 2: Convert to fraction form
    957,920.82/1,321,902.39 = 528,200.82/x
  3. Step 3: Cross multiply
    957,920.82x = 1,321,902.39 × 528,200.82
  4. Step 4: Simplify right side
    957,920.82x = 698,229,926,357.96
  5. Step 5: Solve for x
    x = 698,229,926,357.96/957,920.82
  6. Step 6: Final answer
    x = 728,901.50

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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.