Home / 957,766.12-1,321,776.66-528,045.52

Finding the Fourth Proportional to 957,766.12, 1,321,776.66 and 528,045.52

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Solution

The fourth proportional to 957,766.12, 1,321,776.66 and 528,045.52 is: 728,735.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,766.12 : 1,321,776.66 = 528,045.52 : x
  2. Step 2: Convert to fraction form
    957,766.12/1,321,776.66 = 528,045.52/x
  3. Step 3: Cross multiply
    957,766.12x = 1,321,776.66 × 528,045.52
  4. Step 4: Simplify right side
    957,766.12x = 697,958,243,753.56
  5. Step 5: Solve for x
    x = 697,958,243,753.56/957,766.12
  6. Step 6: Final answer
    x = 728,735.57

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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.