Home / 1,838,992.80-2,758,489.20-509,296.80

Finding the Fourth Proportional to 1,838,992.80, 2,758,489.20 and 509,296.80

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Solution

The fourth proportional to 1,838,992.80, 2,758,489.20 and 509,296.80 is: 763,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,992.80 : 2,758,489.20 = 509,296.80 : x
  2. Step 2: Convert to fraction form
    1,838,992.80/2,758,489.20 = 509,296.80/x
  3. Step 3: Cross multiply
    1,838,992.80x = 2,758,489.20 × 509,296.80
  4. Step 4: Simplify right side
    1,838,992.80x = 1,404,889,722,394.56
  5. Step 5: Solve for x
    x = 1,404,889,722,394.56/1,838,992.80
  6. Step 6: Final answer
    x = 763,945.20

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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.