Home / 1,219,109.37-1,828,670.13-499,843.95

Finding the Fourth Proportional to 1,219,109.37, 1,828,670.13 and 499,843.95

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Solution

The fourth proportional to 1,219,109.37, 1,828,670.13 and 499,843.95 is: 749,768.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,109.37 : 1,828,670.13 = 499,843.95 : x
  2. Step 2: Convert to fraction form
    1,219,109.37/1,828,670.13 = 499,843.95/x
  3. Step 3: Cross multiply
    1,219,109.37x = 1,828,670.13 × 499,843.95
  4. Step 4: Simplify right side
    1,219,109.37x = 914,049,705,860.78
  5. Step 5: Solve for x
    x = 914,049,705,860.78/1,219,109.37
  6. Step 6: Final answer
    x = 749,768.42

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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.