Home / 1,226,619.80-1,839,273.60-515,844.80

Finding the Fourth Proportional to 1,226,619.80, 1,839,273.60 and 515,844.80

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Solution

The fourth proportional to 1,226,619.80, 1,839,273.60 and 515,844.80 is: 773,491.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,619.80 : 1,839,273.60 = 515,844.80 : x
  2. Step 2: Convert to fraction form
    1,226,619.80/1,839,273.60 = 515,844.80/x
  3. Step 3: Cross multiply
    1,226,619.80x = 1,839,273.60 × 515,844.80
  4. Step 4: Simplify right side
    1,226,619.80x = 948,779,722,337.28
  5. Step 5: Solve for x
    x = 948,779,722,337.28/1,226,619.80
  6. Step 6: Final answer
    x = 773,491.28

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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.