Home / 1,066,581.81-1,471,906.08-636,781.77

Finding the Fourth Proportional to 1,066,581.81, 1,471,906.08 and 636,781.77

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Solution

The fourth proportional to 1,066,581.81, 1,471,906.08 and 636,781.77 is: 878,772.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,581.81 : 1,471,906.08 = 636,781.77 : x
  2. Step 2: Convert to fraction form
    1,066,581.81/1,471,906.08 = 636,781.77/x
  3. Step 3: Cross multiply
    1,066,581.81x = 1,471,906.08 × 636,781.77
  4. Step 4: Simplify right side
    1,066,581.81x = 937,282,958,896.16
  5. Step 5: Solve for x
    x = 937,282,958,896.16/1,066,581.81
  6. Step 6: Final answer
    x = 878,772.68

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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.