Home / 1,216,804.43-1,823,919.55-458,317.71

Finding the Fourth Proportional to 1,216,804.43, 1,823,919.55 and 458,317.71

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Solution

The fourth proportional to 1,216,804.43, 1,823,919.55 and 458,317.71 is: 686,991.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,804.43 : 1,823,919.55 = 458,317.71 : x
  2. Step 2: Convert to fraction form
    1,216,804.43/1,823,919.55 = 458,317.71/x
  3. Step 3: Cross multiply
    1,216,804.43x = 1,823,919.55 × 458,317.71
  4. Step 4: Simplify right side
    1,216,804.43x = 835,934,631,380.23
  5. Step 5: Solve for x
    x = 835,934,631,380.23/1,216,804.43
  6. Step 6: Final answer
    x = 686,991.77

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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.