Home / 792,513.65-1,188,030.92-312,745.46

Finding the Fourth Proportional to 792,513.65, 1,188,030.92 and 312,745.46

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Solution

The fourth proportional to 792,513.65, 1,188,030.92 and 312,745.46 is: 468,826.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,513.65 : 1,188,030.92 = 312,745.46 : x
  2. Step 2: Convert to fraction form
    792,513.65/1,188,030.92 = 312,745.46/x
  3. Step 3: Cross multiply
    792,513.65x = 1,188,030.92 × 312,745.46
  4. Step 4: Simplify right side
    792,513.65x = 371,551,269,065.74
  5. Step 5: Solve for x
    x = 371,551,269,065.74/792,513.65
  6. Step 6: Final answer
    x = 468,826.33

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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.