Home / 555,122.31-833,015.57-509,949.83

Finding the Fourth Proportional to 555,122.31, 833,015.57 and 509,949.83

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Solution

The fourth proportional to 555,122.31, 833,015.57 and 509,949.83 is: 765,229.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,122.31 : 833,015.57 = 509,949.83 : x
  2. Step 2: Convert to fraction form
    555,122.31/833,015.57 = 509,949.83/x
  3. Step 3: Cross multiply
    555,122.31x = 833,015.57 × 509,949.83
  4. Step 4: Simplify right side
    555,122.31x = 424,796,141,594.03
  5. Step 5: Solve for x
    x = 424,796,141,594.03/555,122.31
  6. Step 6: Final answer
    x = 765,229.81

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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.