Home / 1,738,708.20-2,603,915.10-851,207.40

Finding the Fourth Proportional to 1,738,708.20, 2,603,915.10 and 851,207.40

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Solution

The fourth proportional to 1,738,708.20, 2,603,915.10 and 851,207.40 is: 1,274,780.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,708.20 : 2,603,915.10 = 851,207.40 : x
  2. Step 2: Convert to fraction form
    1,738,708.20/2,603,915.10 = 851,207.40/x
  3. Step 3: Cross multiply
    1,738,708.20x = 2,603,915.10 × 851,207.40
  4. Step 4: Simplify right side
    1,738,708.20x = 2,216,471,802,091.74
  5. Step 5: Solve for x
    x = 2,216,471,802,091.74/1,738,708.20
  6. Step 6: Final answer
    x = 1,274,780.78

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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.