Home / 1,228,021.98-1,842,230.07-518,154.72

Finding the Fourth Proportional to 1,228,021.98, 1,842,230.07 and 518,154.72

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Solution

The fourth proportional to 1,228,021.98, 1,842,230.07 and 518,154.72 is: 777,315.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,021.98 : 1,842,230.07 = 518,154.72 : x
  2. Step 2: Convert to fraction form
    1,228,021.98/1,842,230.07 = 518,154.72/x
  3. Step 3: Cross multiply
    1,228,021.98x = 1,842,230.07 × 518,154.72
  4. Step 4: Simplify right side
    1,228,021.98x = 954,560,206,096.43
  5. Step 5: Solve for x
    x = 954,560,206,096.43/1,228,021.98
  6. Step 6: Final answer
    x = 777,315.24

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1.5x scale

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.