Home / 1,511,520.21-2,085,801.84-832,456.71

Finding the Fourth Proportional to 1,511,520.21, 2,085,801.84 and 832,456.71

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Solution

The fourth proportional to 1,511,520.21, 2,085,801.84 and 832,456.71 is: 1,148,737.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,520.21 : 2,085,801.84 = 832,456.71 : x
  2. Step 2: Convert to fraction form
    1,511,520.21/2,085,801.84 = 832,456.71/x
  3. Step 3: Cross multiply
    1,511,520.21x = 2,085,801.84 × 832,456.71
  4. Step 4: Simplify right side
    1,511,520.21x = 1,736,339,737,438.35
  5. Step 5: Solve for x
    x = 1,736,339,737,438.35/1,511,520.21
  6. Step 6: Final answer
    x = 1,148,737.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.