Home / 1,066,435.05-1,471,697.87-636,752.73

Finding the Fourth Proportional to 1,066,435.05, 1,471,697.87 and 636,752.73

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Solution

The fourth proportional to 1,066,435.05, 1,471,697.87 and 636,752.73 is: 878,729.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,435.05 : 1,471,697.87 = 636,752.73 : x
  2. Step 2: Convert to fraction form
    1,066,435.05/1,471,697.87 = 636,752.73/x
  3. Step 3: Cross multiply
    1,066,435.05x = 1,471,697.87 × 636,752.73
  4. Step 4: Simplify right side
    1,066,435.05x = 937,107,633,273.92
  5. Step 5: Solve for x
    x = 937,107,633,273.92/1,066,435.05
  6. Step 6: Final answer
    x = 878,729.21

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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.