Home / 885,519.05-1,222,331.81-522,944.37

Finding the Fourth Proportional to 885,519.05, 1,222,331.81 and 522,944.37

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Solution

The fourth proportional to 885,519.05, 1,222,331.81 and 522,944.37 is: 721,849.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,519.05 : 1,222,331.81 = 522,944.37 : x
  2. Step 2: Convert to fraction form
    885,519.05/1,222,331.81 = 522,944.37/x
  3. Step 3: Cross multiply
    885,519.05x = 1,222,331.81 × 522,944.37
  4. Step 4: Simplify right side
    885,519.05x = 639,211,535,696.69
  5. Step 5: Solve for x
    x = 639,211,535,696.69/885,519.05
  6. Step 6: Final answer
    x = 721,849.56

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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.