Home / 1,174,906.68-1,621,451.40-665,613.24

Finding the Fourth Proportional to 1,174,906.68, 1,621,451.40 and 665,613.24

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Solution

The fourth proportional to 1,174,906.68, 1,621,451.40 and 665,613.24 is: 918,591.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,906.68 : 1,621,451.40 = 665,613.24 : x
  2. Step 2: Convert to fraction form
    1,174,906.68/1,621,451.40 = 665,613.24/x
  3. Step 3: Cross multiply
    1,174,906.68x = 1,621,451.40 × 665,613.24
  4. Step 4: Simplify right side
    1,174,906.68x = 1,079,259,519,856.54
  5. Step 5: Solve for x
    x = 1,079,259,519,856.54/1,174,906.68
  6. Step 6: Final answer
    x = 918,591.70

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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.