Home / 889,206.44-1,227,221.70-507,145.64

Finding the Fourth Proportional to 889,206.44, 1,227,221.70 and 507,145.64

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Solution

The fourth proportional to 889,206.44, 1,227,221.70 and 507,145.64 is: 699,927.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,206.44 : 1,227,221.70 = 507,145.64 : x
  2. Step 2: Convert to fraction form
    889,206.44/1,227,221.70 = 507,145.64/x
  3. Step 3: Cross multiply
    889,206.44x = 1,227,221.70 × 507,145.64
  4. Step 4: Simplify right side
    889,206.44x = 622,380,134,468.39
  5. Step 5: Solve for x
    x = 622,380,134,468.39/889,206.44
  6. Step 6: Final answer
    x = 699,927.61

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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.