Home / 1,286,046.21-1,928,379.05-432,833.27

Finding the Fourth Proportional to 1,286,046.21, 1,928,379.05 and 432,833.27

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Solution

The fourth proportional to 1,286,046.21, 1,928,379.05 and 432,833.27 is: 649,017.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,046.21 : 1,928,379.05 = 432,833.27 : x
  2. Step 2: Convert to fraction form
    1,286,046.21/1,928,379.05 = 432,833.27/x
  3. Step 3: Cross multiply
    1,286,046.21x = 1,928,379.05 × 432,833.27
  4. Step 4: Simplify right side
    1,286,046.21x = 834,666,610,675.19
  5. Step 5: Solve for x
    x = 834,666,610,675.19/1,286,046.21
  6. Step 6: Final answer
    x = 649,017.59

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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.