Home / 957,524.47-1,321,383.44-527,811.78

Finding the Fourth Proportional to 957,524.47, 1,321,383.44 and 527,811.78

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Solution

The fourth proportional to 957,524.47, 1,321,383.44 and 527,811.78 is: 728,380.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,524.47 : 1,321,383.44 = 527,811.78 : x
  2. Step 2: Convert to fraction form
    957,524.47/1,321,383.44 = 527,811.78/x
  3. Step 3: Cross multiply
    957,524.47x = 1,321,383.44 × 527,811.78
  4. Step 4: Simplify right side
    957,524.47x = 697,441,744,370.86
  5. Step 5: Solve for x
    x = 697,441,744,370.86/957,524.47
  6. Step 6: Final answer
    x = 728,380.07

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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.