Home / 743,834.31-1,115,097.37-294,870.54

Finding the Fourth Proportional to 743,834.31, 1,115,097.37 and 294,870.54

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Solution

The fourth proportional to 743,834.31, 1,115,097.37 and 294,870.54 is: 442,046.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,834.31 : 1,115,097.37 = 294,870.54 : x
  2. Step 2: Convert to fraction form
    743,834.31/1,115,097.37 = 294,870.54/x
  3. Step 3: Cross multiply
    743,834.31x = 1,115,097.37 × 294,870.54
  4. Step 4: Simplify right side
    743,834.31x = 328,809,367,088.92
  5. Step 5: Solve for x
    x = 328,809,367,088.92/743,834.31
  6. Step 6: Final answer
    x = 442,046.52

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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.