Home / 957,793.28-1,321,763.28-528,088.82

Finding the Fourth Proportional to 957,793.28, 1,321,763.28 and 528,088.82

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Solution

The fourth proportional to 957,793.28, 1,321,763.28 and 528,088.82 is: 728,767.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,793.28 : 1,321,763.28 = 528,088.82 : x
  2. Step 2: Convert to fraction form
    957,793.28/1,321,763.28 = 528,088.82/x
  3. Step 3: Cross multiply
    957,793.28x = 1,321,763.28 × 528,088.82
  4. Step 4: Simplify right side
    957,793.28x = 698,008,410,854.53
  5. Step 5: Solve for x
    x = 698,008,410,854.53/957,793.28
  6. Step 6: Final answer
    x = 728,767.29

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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.