Home / 683,940.46-943,348.32-480,036.88

Finding the Fourth Proportional to 683,940.46, 943,348.32 and 480,036.88

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Solution

The fourth proportional to 683,940.46, 943,348.32 and 480,036.88 is: 662,107.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,940.46 : 943,348.32 = 480,036.88 : x
  2. Step 2: Convert to fraction form
    683,940.46/943,348.32 = 480,036.88/x
  3. Step 3: Cross multiply
    683,940.46x = 943,348.32 × 480,036.88
  4. Step 4: Simplify right side
    683,940.46x = 452,841,984,286.04
  5. Step 5: Solve for x
    x = 452,841,984,286.04/683,940.46
  6. Step 6: Final answer
    x = 662,107.32

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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.