Home / 1,519,829.46-2,278,901.79-621,900.72

Finding the Fourth Proportional to 1,519,829.46, 2,278,901.79 and 621,900.72

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Solution

The fourth proportional to 1,519,829.46, 2,278,901.79 and 621,900.72 is: 932,506.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,829.46 : 2,278,901.79 = 621,900.72 : x
  2. Step 2: Convert to fraction form
    1,519,829.46/2,278,901.79 = 621,900.72/x
  3. Step 3: Cross multiply
    1,519,829.46x = 2,278,901.79 × 621,900.72
  4. Step 4: Simplify right side
    1,519,829.46x = 1,417,250,664,010.29
  5. Step 5: Solve for x
    x = 1,417,250,664,010.29/1,519,829.46
  6. Step 6: Final answer
    x = 932,506.38

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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.