Home / 724,649.60-1,084,900.80-444,713.60

Finding the Fourth Proportional to 724,649.60, 1,084,900.80 and 444,713.60

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Solution

The fourth proportional to 724,649.60, 1,084,900.80 and 444,713.60 is: 665,797.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,649.60 : 1,084,900.80 = 444,713.60 : x
  2. Step 2: Convert to fraction form
    724,649.60/1,084,900.80 = 444,713.60/x
  3. Step 3: Cross multiply
    724,649.60x = 1,084,900.80 × 444,713.60
  4. Step 4: Simplify right side
    724,649.60x = 482,470,140,410.88
  5. Step 5: Solve for x
    x = 482,470,140,410.88/724,649.60
  6. Step 6: Final answer
    x = 665,797.84

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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.