Home / 957,147.64-1,320,863.86-554,972.92

Finding the Fourth Proportional to 957,147.64, 1,320,863.86 and 554,972.92

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Solution

The fourth proportional to 957,147.64, 1,320,863.86 and 554,972.92 is: 765,862.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,147.64 : 1,320,863.86 = 554,972.92 : x
  2. Step 2: Convert to fraction form
    957,147.64/1,320,863.86 = 554,972.92/x
  3. Step 3: Cross multiply
    957,147.64x = 1,320,863.86 × 554,972.92
  4. Step 4: Simplify right side
    957,147.64x = 733,043,673,306.67
  5. Step 5: Solve for x
    x = 733,043,673,306.67/957,147.64
  6. Step 6: Final answer
    x = 765,862.70

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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.