Home / 813,092.88-1,220,756.52-414,001.83

Finding the Fourth Proportional to 813,092.88, 1,220,756.52 and 414,001.83

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Solution

The fourth proportional to 813,092.88, 1,220,756.52 and 414,001.83 is: 621,571.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,092.88 : 1,220,756.52 = 414,001.83 : x
  2. Step 2: Convert to fraction form
    813,092.88/1,220,756.52 = 414,001.83/x
  3. Step 3: Cross multiply
    813,092.88x = 1,220,756.52 × 414,001.83
  4. Step 4: Simplify right side
    813,092.88x = 505,395,437,066.02
  5. Step 5: Solve for x
    x = 505,395,437,066.02/813,092.88
  6. Step 6: Final answer
    x = 621,571.59

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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.