Home / 866,147.20-1,298,529.60-367,100.80

Finding the Fourth Proportional to 866,147.20, 1,298,529.60 and 367,100.80

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Solution

The fourth proportional to 866,147.20, 1,298,529.60 and 367,100.80 is: 550,358.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,147.20 : 1,298,529.60 = 367,100.80 : x
  2. Step 2: Convert to fraction form
    866,147.20/1,298,529.60 = 367,100.80/x
  3. Step 3: Cross multiply
    866,147.20x = 1,298,529.60 × 367,100.80
  4. Step 4: Simplify right side
    866,147.20x = 476,691,254,983.68
  5. Step 5: Solve for x
    x = 476,691,254,983.68/866,147.20
  6. Step 6: Final answer
    x = 550,358.25

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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.