Home / 484,947.87-669,280.39-267,178.80

Finding the Fourth Proportional to 484,947.87, 669,280.39 and 267,178.80

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Solution

The fourth proportional to 484,947.87, 669,280.39 and 267,178.80 is: 368,735.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,947.87 : 669,280.39 = 267,178.80 : x
  2. Step 2: Convert to fraction form
    484,947.87/669,280.39 = 267,178.80/x
  3. Step 3: Cross multiply
    484,947.87x = 669,280.39 × 267,178.80
  4. Step 4: Simplify right side
    484,947.87x = 178,817,531,891.01
  5. Step 5: Solve for x
    x = 178,817,531,891.01/484,947.87
  6. Step 6: Final answer
    x = 368,735.57

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1.5x scale

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.