Home / 654,629.31-903,424.19-368,166.33

Finding the Fourth Proportional to 654,629.31, 903,424.19 and 368,166.33

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Solution

The fourth proportional to 654,629.31, 903,424.19 and 368,166.33 is: 508,089.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,629.31 : 903,424.19 = 368,166.33 : x
  2. Step 2: Convert to fraction form
    654,629.31/903,424.19 = 368,166.33/x
  3. Step 3: Cross multiply
    654,629.31x = 903,424.19 × 368,166.33
  4. Step 4: Simplify right side
    654,629.31x = 332,610,366,624.69
  5. Step 5: Solve for x
    x = 332,610,366,624.69/654,629.31
  6. Step 6: Final answer
    x = 508,089.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.