Home / 1,216,805.07-1,823,920.50-458,318.34

Finding the Fourth Proportional to 1,216,805.07, 1,823,920.50 and 458,318.34

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Solution

The fourth proportional to 1,216,805.07, 1,823,920.50 and 458,318.34 is: 686,992.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,805.07 : 1,823,920.50 = 458,318.34 : x
  2. Step 2: Convert to fraction form
    1,216,805.07/1,823,920.50 = 458,318.34/x
  3. Step 3: Cross multiply
    1,216,805.07x = 1,823,920.50 × 458,318.34
  4. Step 4: Simplify right side
    1,216,805.07x = 835,936,215,851.97
  5. Step 5: Solve for x
    x = 835,936,215,851.97/1,216,805.07
  6. Step 6: Final answer
    x = 686,992.71

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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.