Home / 558,815.87-771,144.45-317,084.04

Finding the Fourth Proportional to 558,815.87, 771,144.45 and 317,084.04

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Solution

The fourth proportional to 558,815.87, 771,144.45 and 317,084.04 is: 437,563.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,815.87 : 771,144.45 = 317,084.04 : x
  2. Step 2: Convert to fraction form
    558,815.87/771,144.45 = 317,084.04/x
  3. Step 3: Cross multiply
    558,815.87x = 771,144.45 × 317,084.04
  4. Step 4: Simplify right side
    558,815.87x = 244,517,597,629.58
  5. Step 5: Solve for x
    x = 244,517,597,629.58/558,815.87
  6. Step 6: Final answer
    x = 437,563.81

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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.