Home / 1,337,555.75-2,005,912.18-438,788.06

Finding the Fourth Proportional to 1,337,555.75, 2,005,912.18 and 438,788.06

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Solution

The fourth proportional to 1,337,555.75, 2,005,912.18 and 438,788.06 is: 658,043.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,555.75 : 2,005,912.18 = 438,788.06 : x
  2. Step 2: Convert to fraction form
    1,337,555.75/2,005,912.18 = 438,788.06/x
  3. Step 3: Cross multiply
    1,337,555.75x = 2,005,912.18 × 438,788.06
  4. Step 4: Simplify right side
    1,337,555.75x = 880,170,306,627.13
  5. Step 5: Solve for x
    x = 880,170,306,627.13/1,337,555.75
  6. Step 6: Final answer
    x = 658,043.83

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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.