Home / 317,629.52-476,437.56-80,972.24

Finding the Fourth Proportional to 317,629.52, 476,437.56 and 80,972.24

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Solution

The fourth proportional to 317,629.52, 476,437.56 and 80,972.24 is: 121,456.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,629.52 : 476,437.56 = 80,972.24 : x
  2. Step 2: Convert to fraction form
    317,629.52/476,437.56 = 80,972.24/x
  3. Step 3: Cross multiply
    317,629.52x = 476,437.56 × 80,972.24
  4. Step 4: Simplify right side
    317,629.52x = 38,578,216,453.33
  5. Step 5: Solve for x
    x = 38,578,216,453.33/317,629.52
  6. Step 6: Final answer
    x = 121,456.65

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1.5x scale

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.