Home / 1,066,563.81-1,471,881.24-636,763.77

Finding the Fourth Proportional to 1,066,563.81, 1,471,881.24 and 636,763.77

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Solution

The fourth proportional to 1,066,563.81, 1,471,881.24 and 636,763.77 is: 878,747.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,563.81 : 1,471,881.24 = 636,763.77 : x
  2. Step 2: Convert to fraction form
    1,066,563.81/1,471,881.24 = 636,763.77/x
  3. Step 3: Cross multiply
    1,066,563.81x = 1,471,881.24 × 636,763.77
  4. Step 4: Simplify right side
    1,066,563.81x = 937,240,647,374.68
  5. Step 5: Solve for x
    x = 937,240,647,374.68/1,066,563.81
  6. Step 6: Final answer
    x = 878,747.84

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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.