Home / 842,915.97-1,263,716.64-572,330.61

Finding the Fourth Proportional to 842,915.97, 1,263,716.64 and 572,330.61

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Solution

The fourth proportional to 842,915.97, 1,263,716.64 and 572,330.61 is: 858,049.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,915.97 : 1,263,716.64 = 572,330.61 : x
  2. Step 2: Convert to fraction form
    842,915.97/1,263,716.64 = 572,330.61/x
  3. Step 3: Cross multiply
    842,915.97x = 1,263,716.64 × 572,330.61
  4. Step 4: Simplify right side
    842,915.97x = 723,263,715,438.35
  5. Step 5: Solve for x
    x = 723,263,715,438.35/842,915.97
  6. Step 6: Final answer
    x = 858,049.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.