Home / 1,214,919.87-1,822,429.62-416,750.32

Finding the Fourth Proportional to 1,214,919.87, 1,822,429.62 and 416,750.32

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Solution

The fourth proportional to 1,214,919.87, 1,822,429.62 and 416,750.32 is: 625,142.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,919.87 : 1,822,429.62 = 416,750.32 : x
  2. Step 2: Convert to fraction form
    1,214,919.87/1,822,429.62 = 416,750.32/x
  3. Step 3: Cross multiply
    1,214,919.87x = 1,822,429.62 × 416,750.32
  4. Step 4: Simplify right side
    1,214,919.87x = 759,498,125,228.73
  5. Step 5: Solve for x
    x = 759,498,125,228.73/1,214,919.87
  6. Step 6: Final answer
    x = 625,142.57

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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.