Home / 843,013.01-1,163,355.40-455,825.73

Finding the Fourth Proportional to 843,013.01, 1,163,355.40 and 455,825.73

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Solution

The fourth proportional to 843,013.01, 1,163,355.40 and 455,825.73 is: 629,038.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,013.01 : 1,163,355.40 = 455,825.73 : x
  2. Step 2: Convert to fraction form
    843,013.01/1,163,355.40 = 455,825.73/x
  3. Step 3: Cross multiply
    843,013.01x = 1,163,355.40 × 455,825.73
  4. Step 4: Simplify right side
    843,013.01x = 530,287,324,454.44
  5. Step 5: Solve for x
    x = 530,287,324,454.44/843,013.01
  6. Step 6: Final answer
    x = 629,038.13

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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.