Home / 813,097.89-1,220,763.96-414,006.84

Finding the Fourth Proportional to 813,097.89, 1,220,763.96 and 414,006.84

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Solution

The fourth proportional to 813,097.89, 1,220,763.96 and 414,006.84 is: 621,579.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,097.89 : 1,220,763.96 = 414,006.84 : x
  2. Step 2: Convert to fraction form
    813,097.89/1,220,763.96 = 414,006.84/x
  3. Step 3: Cross multiply
    813,097.89x = 1,220,763.96 × 414,006.84
  4. Step 4: Simplify right side
    813,097.89x = 505,404,629,465.49
  5. Step 5: Solve for x
    x = 505,404,629,465.49/813,097.89
  6. Step 6: Final answer
    x = 621,579.07

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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.