Home / 1,216,800.31-1,823,913.37-458,313.59

Finding the Fourth Proportional to 1,216,800.31, 1,823,913.37 and 458,313.59

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Solution

The fourth proportional to 1,216,800.31, 1,823,913.37 and 458,313.59 is: 686,985.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,800.31 : 1,823,913.37 = 458,313.59 : x
  2. Step 2: Convert to fraction form
    1,216,800.31/1,823,913.37 = 458,313.59/x
  3. Step 3: Cross multiply
    1,216,800.31x = 1,823,913.37 × 458,313.59
  4. Step 4: Simplify right side
    1,216,800.31x = 835,924,273,042.56
  5. Step 5: Solve for x
    x = 835,924,273,042.56/1,216,800.31
  6. Step 6: Final answer
    x = 686,985.59

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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.