Home / 816,864.70-1,225,297.05-606,912.70

Finding the Fourth Proportional to 816,864.70, 1,225,297.05 and 606,912.70

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Solution

The fourth proportional to 816,864.70, 1,225,297.05 and 606,912.70 is: 910,369.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,864.70 : 1,225,297.05 = 606,912.70 : x
  2. Step 2: Convert to fraction form
    816,864.70/1,225,297.05 = 606,912.70/x
  3. Step 3: Cross multiply
    816,864.70x = 1,225,297.05 × 606,912.70
  4. Step 4: Simplify right side
    816,864.70x = 743,648,340,917.54
  5. Step 5: Solve for x
    x = 743,648,340,917.54/816,864.70
  6. Step 6: Final answer
    x = 910,369.05

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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.